w*******y
发帖数: 60932 | 1 TylerTool has the Milwaukee 6390-21 7 1/4" Tilt-Lok Circular Saw:
http://www.tylertool.com/mi637ticisaw.html
for $83.40 + $4.95 flat rate shipping = $88.35 shipped (plus tax in MS).
You have to apply coupon code tt111110 on the checkout page to see the 40%
discount.
Sale ends 11/15/10.
In the past this saw has gotten thumbs up at $99 from Amazon (it's currently
$125 there), and this is $10 cheaper. It was available for $87 from Amazon
last May, and it dropped as low as $79 shipped from TylerTo... 阅读全帖 |
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w*******y
发帖数: 60932 | 3 Sears
Craftsman 4-pc Nextec 12-volt Cordless Combo:
http://www.sears.com/shc/s/p_10153_12605_00917588000P
$85.49 w/ code SEARS5OFF50
selec in-store pick up to save on shipping
3/8" Drill/driver
Pad Sander
3.5" circular saber Saw
24-bulb LED Worklight w/ rotating head
2x 12-volt Batteries
Charger & Storage Case
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w*******y
发帖数: 60932 | 5 Lowes has an Irwin display set up where you bring your old circular saw
blades in and "trade-up" to a new Irwin Marathon Blade which retail for $12
or so, for free . There did not appear to be a limit. I am in lowes on a
daily basis and today was the first day for this promotion.
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h********l
发帖数: 239 | 6 "readiness is nonsense"这句话是他老人家原话，虽然说得狠了点。给娃越多的机
会，娃就会发展得越快。
这话不光狠，也有误导性啊。孩子发展是有阶段的，看看皮亚杰的儿童发展理论吧。
The four development stages are described in Piaget's theory as:
Sensorimotor stage: from birth to age 2. Children experience the world
through movement and senses (use five senses to explore the world). During
the sensorimotor stage children are extremely egocentric, meaning they
cannot perceive the world from others' viewpoints. The sensorimotor stage is
divided into six substages: "(1) simpl... 阅读全帖 |
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c*******5
发帖数: 2578 | 7 有部分州AL, CT, GA, MA, MS, NM, NY, PA
3/4号的广告不一样,只有2页,据说是照顾没有报纸胖的顾客
Test market areas will receive in Sunday newspapers one-page circular insert
that features 20% shopping pass good on non-sale items.
Select locations in CT, NY, MA, VT, PA 20%-off 7-day shopping pass. The one-
page circular (without the 20% pass) will be available in-store from Sunday
to Saturday.
Select locations in AL, GA, MS and NM 20%-off 3-day shopping pass. The one-
page circular (without the 20% pass) will be available in-st... 阅读全帖 |
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s*x
发帖数: 3328 | 8 no, it is f(i) = max(a_i, f(i-1)+a_i, f(i-1))
and sure it is linear time algorithm no matter whether the array is circular
or not. the circular case can be treated as array. not so precisely
speaking:
a b c d - circular case is ALMOST equivalent to solve a b c d a b c d - non-
circular, since any factor of the circular word is a factor of that normal
word.
space |
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x*********n
发帖数: 29 | 9 其实版上讨论过，我当时大概瞄过，光看了个用CIRCULAR BUFFER解，却不知道为啥。
面试官让写CODE就傻了，最后只好写了个用LINKEDLIST的。
题目就是有个msg class
class Msg
{
long key;
long value;
};
每个Msg都对应一个key。现在要设计一个class，实现如下功能
class Window
{
Window(int nMilliseconds);
addMsg(Msg m);
Msg getMsg(long key);
Double getAvg();
};
nMilliseconds给你了个time window，比如说如果是１０分钟，你只保存当前为止１０
分钟前的MSG。你需要能够添加信息，实现对于key的query（注意如果这个key对应的信
息是１０分钟前的，就返回NULL）， 和计算所有１０分钟内msg的平均。
我本来想用circular array，但不知道该怎么存这些msg。还有就是每个key和msg应该
用map来存吧，但如果用CIRCULAR ARRAY对于过时的信息还是得在... 阅读全帖 |
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L**P
发帖数: 3792 | 10 这个是看到的最牛的了,600刀,现在送一个100多的stand
但是装地板,如果说一定只能买一个电动工具,那么就买jig saw
我是买了jig saw,借了miter saw和circular saw,
miter saw和circular saw很有用,但是他们的工作jig saw都能完成,只是费时点
但是反过来不行,jig saw能干的,miter saw和circular saw是搞不定的
如果是装了地板,门底边要切一点的话,需一个jig saw or circular saw和自己用一根
金属t-bar做一个简单的直边guide来切长的直边 |
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s*i
发帖数: 5025 | 11 有了你老的肯定，我就再罗嗦几句，为什么不是circular saw。
circular saw跟table saw对比，最核心的问题是，工作的过程中移动木件，还是移动
saw。就我有限的经验来看，基本上各种板子都属小木头范畴，移动木头很简单。特别
长的crown
moldings，稍微麻烦，最好用sliding miter，但是table saw也能搞定的。
table saw的优点是，总体切割质量还是不错的。另外，个人认为远比拿在手里的
circular saw要安全，因为tabel saw的blade就在那里转动，没有任何意外的平移。而
circular saw要动啊
[发表自未名空间手机版 - m.mitbbs.com] |
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H********g
发帖数: 43926 | 12 细菌通常一个，古生菌（跟细菌有很多不同的原核生物）可以有多个。
Most bacteria have a single circular molecule of DNA, and typically only a
single origin of replication per circular chromosome.[3]
Most archaea have a single circular molecule of DNA, and several origins of
replication along this circular chromosome.[4] |
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i*********t
发帖数: 5873 | 13 Circular Reference Warning
One or more formulas contain a circular reference and may not calculate
correctly. Circular reference are any references within a formula that
depend upon the results of that same formula. For example, a cell that
refers to its own value or a cell that refers to another cell which depends
on the original cell's value both contain circular references. |
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c******n
发帖数: 380 | 14
circular pond
(it’s
for the
If so,
yes,it's possible.
Let the duck do circular motion with radius range from r/4 to (4-
pi)r/4,the fox can only do circular motion with radius r,so the duck has
faster angular velocity than fox.When the angle difference between them
reach 540/pi to 180 (depends on the radius duck chose),duck can go
straight to the nearest edge of the pond and fly away safely.
Although I seriously doubt this deficient duck can go straight right
after so many circular motion,it is |
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l****z
发帖数: 29846 | 15 Turkey Shoots Down Russian Plane——Theater of Circular Absurdity; Two
Seconds; New Cold War
by Mike Mish Shedlock • November 24, 2015
Theater of Absurd
The tangled web of friend-foe relationships in the Mideast has reached a new
high point of circular absurdity.
The US and Turkey are fighting ISIS (allegedly), as is Russia and Iran.
Turkey just shot down a Russian plane on the Syrian-Turkey border.
Turkey freely buys oil from ISIS which gives ISIS the money needed buy
weapons... 阅读全帖 |
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T**********1
发帖数: 2406 | 16 Circular Reasoning.
Circular reasoning is a logical fallacy in which the reasoner begins with
what they are trying to end with. The components of a circular argument are
often logically valid because if the premises are true, the conclusion must
be true.
Often times, it is caused by head injury. |
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S**Y
发帖数: 136 | 17 不trivial
Given a 3x3 square:
1 2 3
4 5 6
7 8 9
You are allowed to do circular shift on any row, and
circular shift on any column, as many times as you
please. Question: can you switch position of 1 and 2 with
the allowed circular shifts? |
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b*********n
发帖数: 1258 | 18 do i miss any thing?
1,2,3
4,5,6
7,8,9
->
1,8,3
4,2,6
7,5,9
->
3,1,8
4,2,6
7,5,9
->
3,1,8
2,6,4
7,5,9
->
2,1,8
7,6,4
3,5,9
Am I right?
不trivial
Given a 3x3 square:
1 2 3
4 5 6
7 8 9
You are allowed to do circular shift on any row, and
circular shift on any column, as many times as you
please. Question: can you switch position of 1 and 2 with
the allowed circular shifts? |
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B*****t
发帖数: 335 | 19 thanks a lot for your comment!
but there are still 2 things not clear to me.
1. how can you prove that the LIS in the circular array is a
subset of the LIS in the doubled array, or the length of LIS in
the circular array is equal to the length of some sub-array of
the LIS in the doubled array, such that the sub-array is a legal
LIS in the circular array?
2. In the extreme case, there are might be multiple equal length
LIS in the doubled array, which might approach O(n), and the
second step in yo |
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I**********s
发帖数: 441 | 20 问了1) 研究, 2) 多线程程序设计, 3) 任意无穷字符串流, 内存有限, 找出唯一一对
重复字符串, 这个我说了哈希表和外部排序, 但是面试人说有更好的办法(后来想也许
是bloom filter), 然后追问外部排序的细节到结束. 估计要挂 :(
总结: 面试既是技术活, 又是运气活.
无论如何, 把我的准备工作放下面, 攒点rp, 希望对大家有所帮助.
Interview Qs
Data Structures
1. Integer
- find number of 1s
- next largest smaller
- smallest larger number
- determine if is palindrom
- itoa, atoi
- add 2 numbers w/o using + or arithmetic operators
- implement *, -, / using only +
- find max of two numbers w/o co... 阅读全帖 |
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g*****i
发帖数: 2162 | 21 先谢谢了
1. 算POLYNOMIAL，比如5x^4+6x^3-7x^2-8=?
原文说思路是减少乘法变成x^2(x(5x+6)-7)-8, 然后找数据结构存数字和运算符.
我的问题是什么数据结构呢?是否要存prefix notation?
2.给你三个烤箱，每个烤箱可以同时烤两片面包，需要的时间分别是3分钟，4分钟和3
分钟。但第三个烤箱有一个slot出了点问题，每次只能烤面包的一面。所以这个烤箱三
分钟后只能算烤好一片半面包，你需要把那半片翻个面，在同一个slot里再烤一次才算
一片完整的。现在给你这三个烤箱，问烤好21片面包最少需要多少时间？如果是2100片
呢？如果是任意给定的N片，要求O(1)时间内给出最少需要的时间。
我的思路:12分钟正好20片没浪费,1-19事先算好存在array里.对吗?
3. read n lines of random numbers(space as delimiter) from a file, lines
with same numbers are treated as duplicated lines, regardless of the ... 阅读全帖 |
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r*******g
发帖数: 1335 | 22 hi
考古发现以前题似乎更难一些，不知道是不是错觉
1，从一个string 变到另一个，比如"study"->"world" （字数相等），要求
每次变一个字母，每次改变后的string必须是一个词典里面能查到的英语单词，比如你
不能把study变
成atudy
由于加了个条件，不知道最后讨论出来什么办法更好，似乎还是没有定论？
2， Given an integer, print the closest number to it that is a palindrome
input: 1224
return: 1221.
这个题仔细一想一点都不简单，关键是，最closet的数可能和原来的数完全不一样，怎
么弄？
3， In our indexes, we have millions of URLs each of which has a link to the
page content, now, suppose a user type a query with wild cards *, which
represent 0 or multiple occcurrences of a... 阅读全帖 |
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r*******g
发帖数: 1335 | 23 hi
考古发现以前题似乎更难一些，不知道是不是错觉
1，从一个string 变到另一个，比如"study"->"world" （字数相等），要求
每次变一个字母，每次改变后的string必须是一个词典里面能查到的英语单词，比如你
不能把study变
成atudy
由于加了个条件，不知道最后讨论出来什么办法更好，似乎还是没有定论？
2， Given an integer, print the closest number to it that is a palindrome
input: 1224
return: 1221.
这个题仔细一想一点都不简单，关键是，最closet的数可能和原来的数完全不一样，怎
么弄？
3， In our indexes, we have millions of URLs each of which has a link to the
page content, now, suppose a user type a query with wild cards *, which
represent 0 or multiple occcurrences of a... 阅读全帖 |
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S**I
发帖数: 15689 | 24 ☆─────────────────────────────────────☆
happymermaid (娆) 于 (Wed Apr 6 14:03:00 2011, 美东) 提到:
加recruiter一共6人
4个白男，午饭是一个组的经理 像是 土耳其／印度？ 人
除了最后一个都比较nice
另外每个人有时间都问一遍我RA做的项目，说到想吐
1. java keyword
实现浮点数的平方根，经提醒搞出来了。要考虑小于1的特殊情况； 还要想time
complexity，相对于小数点后精确位数算如何时间复杂度
2. paint fill (toggle)。关键是要考虑space complexity，主要是method stack实时
一共有多少
说了组里的相关一个问题，大概说说TRIE，有一个improvement方法不好答，他说的
用一个计算load balance function，我吐
午饭是其中一个经理，详细讲了下组里的东西，基本和我做的有点相关，感觉他们招人还是很看背景的
3. 给一个数据结构数组，（parent, child）， 重建二叉数，... 阅读全帖 |
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S**I
发帖数: 15689 | 25 ☆─────────────────────────────────────☆
gzou (gzou) 于 (Thu May 12 02:26:35 2011, 美东) 提到:
马上就要G on site了，
求祝福。
下面是从本版收集到的Google的试题，便于大家查询。
申明：有的附带有解释说明的，也来自于本版或者网络，大家自己看， 不保证真确
http://www.mitbbs.com/article_t1/JobHunting/31847453_0_1.html
本人ECE fresh PhD，背景是电路/EDA，跟G业务基本没什么关系
同学内部推荐的，很简单的一次电面就给了onsite
题都不难，但是自己没把握好机会，出了一些小bug。
总的感觉，出错就是硬伤，宁可从最简单的算法写起，也不能出错。
电面：
1，Skip list， http://en.wikipedia.org/wiki/Skip_list
写code实现struct skip_list * find(struct skip_list *head, int value)
2，sorted array... 阅读全帖 |
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S**I
发帖数: 15689 | 26 ☆─────────────────────────────────────☆
gzou (gzou) 于 (Thu May 12 02:26:35 2011, 美东) 提到:
马上就要G on site了，
求祝福。
下面是从本版收集到的Google的试题，便于大家查询。
申明：有的附带有解释说明的，也来自于本版或者网络，大家自己看， 不保证真确
http://www.mitbbs.com/article_t1/JobHunting/31847453_0_1.html
本人ECE fresh PhD，背景是电路/EDA，跟G业务基本没什么关系
同学内部推荐的，很简单的一次电面就给了onsite
题都不难，但是自己没把握好机会，出了一些小bug。
总的感觉，出错就是硬伤，宁可从最简单的算法写起，也不能出错。
电面：
1，Skip list， http://en.wikipedia.org/wiki/Skip_list
写code实现struct skip_list * find(struct skip_list *head, int value)
2，sorted array... 阅读全帖 |
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a**********e
发帖数: 36 | 27 I have one question regarding this problem: what does "the last second"
mean? It could mean 1 second before the current time till now, it could also
mean the last second slot (the most recent time round to seconds minus the
second most recent time round to seconds).
The first case (1s before current time till now) is more real time, and in
this case we can use a vector (or deque or any container that can be
dynamically expanded or shrinked with random accesses) to store the time of
incoming req... 阅读全帖 |
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a**********e
发帖数: 36 | 28 I have one question regarding this problem: what does "the last second"
mean? It could mean 1 second before the current time till now, it could also
mean the last second slot (the most recent time round to seconds minus the
second most recent time round to seconds).
The first case (1s before current time till now) is more real time, and in
this case we can use a vector (or deque or any container that can be
dynamically expanded or shrinked with random accesses) to store the time of
incoming req... 阅读全帖 |
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n****e
发帖数: 43 | 29 circular array 应该是很好的想法，请问circular array 一般怎么实现的？另外怎么
做到circular array总是存储时间上最靠前的十次交易呢？ |
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j******1
发帖数: 25 | 30 回报本版，新鲜G的电面面经，顺便求bless。
(1) Suppose each request has some data, calculate the average bandwidth in
the last 1 second, 1minute, 1 hour.
这题跟careercup那道recent average request很像。
首先，不能有错误，只想出来了use a queue as moving window, and then take
average over last 1 sec, 1 minute, 1 hour. Maintain the queue by deleting
all requests information outside the 1 hour window.
其次，允许一定的错误量。这样就可以用circular array. For example, take a
circular array to store the bandwidth in each second, sample_per_sec[3600].
Then circul... 阅读全帖 |
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A****Z
发帖数: 52 | 31 谁能介绍一下table saw, circular saw, miter saw, compound saw 有什么不同啊？
用途各有什么侧重点？ 铺laminate地板用什么锯最好啊？我有一个circular saw（7.4
inch)， HomeDeport的人说铺laminate地板有circular saw就够了，是这样的吗？谢
谢。 |
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r***o
发帖数: 1526 | 32 Multitool挺有用的，用来在Drywall和木板上开洞很方便，
再加上hand saw，和circular saw就够了，把4块2x4两两钉在一起做saw horse，
mitter saw, jig saw和reciprocating saw 基本没用
我锯2x4有时候都懒得用circular saw，直接手锯两分钟也就锯开了
锯金属和管子得用grinder， Harbor Freight $15一个，
真正Ultimate Saw其实是Harbor Freight的Double Cut saw,用同一个刀片切啥
都跟切butter似的，切完的finish也是所有saw里最好的，
可以彻底代替circular saw和grinder了 |
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p**********g
发帖数: 9558 | 33 原来的打算是circular saw切掉主体,然后用jig saw切circular saw够不到的地方,最
后用
chisel找平
还做了一个straight cut template for circular saw
结果发现非常的慢 |
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p**********g
发帖数: 9558 | 34 贵有贵的道理，circular saw + 好的blade也达不到track saw的效果（也就是接近
table saw的效果）
而且circular saw用的时候，木屑是直接朝着人飞的，感觉是人迎着木屑走
同时track saw的一些安全措施，比如festool/dewalt有riving knife，makita是直接
lock在导轨上，基本不用担心kickback的问题
我最怕circular saw的kickback了，试想一下，一个飞动的锯片失控了........ |
|
发帖数: 1 | 35 circular saw和jig saw相对于table saw更难用啊。
用table saw我基本误差精度可以控制在1/3到半个刀片的宽度。比如，我这次最长条的
宽度是48inch，切完误差应该不到1/32 inch，并且从头到尾是一直线。
circular saw和jig saw，由于是看不到刀片的切面的。所以误差能控制在一个刀片，
我就觉得ok了。并且有时候，要切的东西形状不规则，上面不能架guide，完全靠手控
制，能保持从头到尾不抖就很不容易了。
所以如果你会用circular saw和jig saw，用table saw一定没问题。当然用table saw
要注意安全，搜一下table saw kickback。
table saw相当有用，我估计自己80%的木工活都是用table saw完成的。 |
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d**w
发帖数: 14889 | 36 http://financiallyfit.yahoo.com/finance/article-113020-10125-1-
Extreme Coupons: TV Show Draws Extreme Backlash
Farnoosh Torabi
Monday, June 27, 2011
Last month I described five reasons to steer clear of extreme couponing, and
now I think I have a sixth: It brings out the worst in both consumers and
retailers.
Industry watchers say TLC's popular reality show, Extreme Couponing -- which
depicts coupon-obsessed men and women spending 30 to 40 hours a week
cutting coupons to net pounds and pounds o... 阅读全帖 |
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w*****o
发帖数: 1806 | 37 哪里，只不过算有了一点小声音而已，对主流民意来说还是差远了，今天我居然收到了
change.org建议签这个petition的邀请。上去一看，早就过100K签名了。
Mike -- There's a new petition taking off on Change.org, and we think you
might be interested in signing it:
Walmart should stop selling assault weapons in its stores
Sign Lauren's Petition
Walmart: Stop Selling and Advertising Assault Weapons in Your Stores!
Started by: Lauren, Woodside, New York
In the wake of the horrific tragedy in Newtown CT, where innocent lives were
lost, we wonder why? We will never have t... 阅读全帖 |
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x**i
发帖数: 113 | 38 you gotta be kidding me, it's guys' fault again? don't you think I would konw
the direction for hockeystick by now...
anyway, I do find for certain circular figures, like natural top and circular
hip twist, I would have difficulties controlling the final direction, I guess
I would just have to calculate these moves more, any tips?
and again, thank you for the gold routine, and I like three alemana and
sliding door very much as well, besides that, I also like circular hip twist
or continuous hipt |
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z***e
发帖数: 5600 | 39 The most useful ones to me are
polarizer (need circular polarizer for AF cameras)
81A/B warming filter
Graduated Neutral Density filters
81A are not expensive, circular polarizers
and GND are quite expensive. For GND, I recommend,
as always, the Hi-Tech 0.6 hard GND filter for cokin P
which costs $30 from B&H. You need to be a little
carefully about circular polarizers if you have a
wide angle lens or a zoom with a wide angle end
because of vignetting. If vignetting is a problem
with that len |
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l*****t
发帖数: 8319 | 40 大伙用什么样的偏光镜？给canon T1i的，价格便宜量又足的请推荐一下，最近有没有
好deal？ 谢谢。
B+W 是不是比 Hoyav, Tiffen 55mm Circular Polarizer 的好？
Circular Polarizer 和 Linear Polarizer 有啥区别？ Circular Polarizer 贵不
少。 |
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c*******d
发帖数: 1172 | 41
B+W Circular Polarizer
B+W Multi-coated MRC Circular Polarizer
B+W Kaesemann MRC Circular Polarizer
B+W MRC 5 mm Slim Cir Polarizer
which one? |
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S******x
发帖数: 1394 | 44 B+W also makes a "Kaesemann" ("encased") version Circular Polarizer filter.
The Kaesemann Circular Polarizer Filter is completely edge-sealed for
maximum durability under extreme climatic conditions. Lesser non-sealed
Circular Polarizer Filters can suffer from foil separation at the filter
edges when used in these conditions.
只能找到这个
http://photography-on-the.net/forum/showthread.php?t=991228
就是sealed跟没sealed的区别，大多数情况kaesemann没必要 |
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s********e
发帖数: 11693 | 45 注意F2.8是82mm的filter
Amazon
B+W 77mm Circular Polarizer with Multi-Resistant Coating
加点钱可上
B+W XS-Pro Kaesemann Circular Polarizer with Multi-Resistant Nano
Coating
或
B+W Kaesemann Circular Polarizer with Multi-Resistant Coating
听说Marumi牌子也不错 |
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t******n
发帖数: 2939 | 46 ☆─────────────────────────────────────☆
l63 (l63) 于 (Thu May 23 00:34:22 2013, 美东) 提到:
假设素数只有有限个, 记为 p_1,p_2,...,p_k
考察 N = p_1*p_2*...*p_k + 1
可知: 对于任意i = 1,2,3,...,k, p_i 不能整除 N
由素数的定义:
a是素数 <=> a是大于1的自然数, 且a不被任何小于a的素数整除
可知: N是素数
这与素数只有p_1,p_2,...,p_k矛盾.
故假设不成立.
所以素数有无穷多个.
☆─────────────────────────────────────☆
l63 (l63) 于 (Thu May 23 00:37:03 2013, 美东) 提到:
在承认素数的这个等价定义 (即 a是素数 <=> a是大于1的自然数, 且a不被任何小于a
的素数整除) 的前提下, 居然有人会认为这个证明是错的, 或者是不完备的.
我实在不能理解.
求问一下大家, 是不是有的人的脑子天生有缺陷, 根本怎么教都不会明白... 阅读全帖 |
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g*q
发帖数: 26623 | 47 猪都说了,圆周率是3
1 Kings 7:23-45
23 He made the Sea of cast metal, circular in shape, measuring ten cubits
from rim to rim and five cubits high. It took a line of thirty cubits to
measure around it. 24 Below the rim, gourds encircled it--ten to a cubit.
The gourds were cast in two rows in one piece with the Sea. 25 The Sea stood
on twelve bulls, three facing north, three facing west, three facing south
and three facing east. The Sea rested on top of them, and their hindquarters
were toward the center.... 阅读全帖 |
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m****r
发帖数: 1904 | 48 The Bible’s Harmony With Scientific Facts. The Bible, at Job 26:7, speaks
of God as “hanging the earth upon nothing.” Science says that the earth
remains in its orbit in space primarily because of the interaction of
gravity and centrifugal force. These forces, of course, are invisible.
Therefore the earth, like other heavenly bodies, is suspended in space as if
hanging on nothing. Speaking from Jehovah’s viewpoint, the prophet Isaiah
wrote under inspiration: “There is One who is dwelling above t... 阅读全帖 |
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l*****a
发帖数: 38403 | 49 来自主题: TrustInJesus版 - 给永生同学 using circular reasoning within circular reasoning negate the first
occurrence of circular reasoning
-永生 |
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w*********r
发帖数: 3382 | 50 littleshirt, you are making a pretty nasty logic mistake here and funny you don't seem to realize it
you just completed a perfect circular argument, and let me point it out for you
“Once you have your own kids, are you going to push your kids to school, or to semi-annual dental cleaning (a lot of kicking and screaming and crying... just wait till you have your own kids)? These are optional (literally not required by the law), do you decide for your kids, or let your kids make their own choice? I... 阅读全帖 |
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