k***e 发帖数: 556 | 1 quad tree, kd tree都是computational geometry里面的内容。你们怎么都这么牛x?
令人发指的强啊 |
|
k***e 发帖数: 556 | 2 range tree
i don't remember the exact name.
Computational Geometry Algorithms and Applications, chapter 10
nlgn preprocessing, O(lgn+matched#)
efficient
range
a |
|
l*y 发帖数: 21010 | 3 这是computational geometry的题目吧
minimum enclosing ball
的圆都加进去。这个的复杂度应该是O(N)。不过常数项比较大,还有其它的方法么? |
|
z*j 发帖数: 42 | 4 来自主题: JobHunting版 - 问个算法题 I am not very sure about this problem. Just some thoughts using voronoi
diagram in computation geometry. |
|
e******n 发帖数: 144 | 5 帮我看看?
OBJECTIVE
Seeking a permanent and full time mechanical engineering position where my
knowledge in fluid mechanics,
alternate energy systems, power plant reactors, shock/vibration analysis,
and thermal analysis can be applied.
EDUCATION
xx University School of Engineering
Graduation Date: May 2010
Major: Bachelor of Science in Mechanical Engineering with an Energy System
Concentration
GPA: 3.0
EXPERIENCE
Missiles Launch Research Rutgers, Department ... 阅读全帖 |
|
g**e 发帖数: 6127 | 6 面的资深码工职位,遇到某bt俄罗斯老头,于是有了以下题目:
1. what is a Ring in algebraic structures
2. tell me about your understanding about Riemannian geometry
3. write down FFT definition. name a few implementations of FFT algorithms
4. how do you implement taylor expansion
5. what are eigenvalues and eigenvectors, how do you calculate them
6. how do you solve a system linear equations
其它常见IT题目就不说了,说几个不常见的
1. how do you extract information from an udp packet
2. given the following DB table:
symbol, timestamp, bid, ask
A... 阅读全帖 |
|
b******r 发帖数: 120 | 7 【 以下文字转载自 ME 讨论区 】
发信人: bostoner (健身+读书), 信区: ME
标 题: 发两个机械工程相关的职位 (FEA CAM)
发信站: BBS 未名空间站 (Thu Jun 23 16:22:26 2011, 美东)
公司的网址在下面,FEA 职位已经贴出来了,CAM职位应该在Boston,马上就会出现在网
上。公司给办绿卡(第一年),职位稳定。请直接网上申请,除非你背景特好,而且一
定要送给我点钱。。。如果想具体了解公司和附近的生活
,请直接站内信。谢谢!
http://conceptsnrec.com/Corporate/Careers.aspx
Programmer/Engineer (Vermont)
We are seeking a senior-level engineering programmer for FEA development to
join our experienced engineering software development team. This individual
must have at least five... 阅读全帖 |
|
t*******3 发帖数: 734 | 8 以下是computing degree的内容. 这跟 cs degree有什么区别呢?
General information about the computing degree here.
Tracks within the Computing Degree
MS in Computing: Information Technology
NOTE: this track has reached its capacity, we will not be accepting any more
students in this track for Fall 2011
The goal of the M.S. Computing Degree in Information Technology (MSIT) is to
train this new generation of technologists. It offers a mix of technology
and management courses to provide students with a solid backgro... 阅读全帖 |
|
l******c 发帖数: 1202 | 9 【 以下文字转载自 ME 讨论区 】
发信人: leosunic (lan), 信区: ME
标 题: 一个猎头发的招聘信息-机械工程师
发信站: BBS 未名空间站 (Thu Nov 17 23:30:01 2011, 美东)
感兴趣的可以把简历发到:g****[email protected]。要有工作经验的。没有身份看他的意
思如果很合适的话可以办h1b.这份工作感觉是帮着美国公司在中国/美国购买设备建厂
,如果你真的被录用的话,个人观点,多个心眼,要提防公司卸磨杀驴。
Mechanical Equipment Engineer
This position will provide support to the Engineering Dept. for and
expansion and improvement project, mainly for equipment evaluation and
purchasing and possibly some mechanical design down the line.
Location: Los Angeles, CA
Educa... 阅读全帖 |
|
l***i 发帖数: 1309 | 10 voronoi diagram, O(nlogn) but it is too difficult for interview questions
unless you work on computational geometry. |
|
w****x 发帖数: 2483 | 11 130-150题,来源mitbbs, careercup.com, glassdoor.com, cracking coding
interview 和 leetcode,
每天更新.
更新地址: http://haixiaoyang.wordpress.com/
我做的是归纳分类的工作, code都是我自己写的, 预计6月前贴完.
分类如下:
Array
Bit operation
Dynamic Programming
Geometry
Hash
Heap
Increasing/Decreasing Sequence
Interval(Segment)
Linked List
Math
Merge
Recursion
Search(Binary Search)
Sort
Stack
String
Tree/BST
ps:只有code和注解, 因为挑选的题目都不会太难, 偏重于基础的data structure和
algorithm的coding, 所以没有解法的详细描述, 课程比较繁忙, 每天投入时间有限,精力不够,
先这样吧 |
|
w****x 发帖数: 2483 | 12 每文档, 只有博客, 现在贴了20题, 每周更新15题左右, 按分类贴出:
我刚刚完成整理. 题目分类如下:
ArrayBit operation
Dynamic Programming
Geometry
Hash
Heap
Increasing/Decreasing Sequence
Interval(Segment)
Linked List
Math
Merge
Recursion
Search(Binary Search)
Sort
Stack
String
Tree/BST |
|
d*****y 发帖数: 205 | 13 还得感谢你的网站真是非常棒,文章每篇都很经典,帮助很大,
看书的问题,这个确实每个人情况不同,这些东西我以前比较熟悉所以主要是花时间捡
起来,应该要快一些,请了一段时间的假,天天去图书馆看书,
主要看前半段基本算法仔细看看,后面题也做了。后面shortest path, NP, maximum
flow, minimum spanning tree, computational geometry这些熟悉一下就差不多了。 |
|
h****e 发帖数: 928 | 14 来自主题: JobHunting版 - 骑驴找马记 在本版上学习受益良多,就写写自己的骑驴找马记。希望知道
我的人看看笑过就算了。
1. 背景
美国CS top 50后学校PHD毕业,工作7-8年,没有换过工作,就是
一直等绿卡,绿卡拿到以后也没有急着跳。公司是互联网时代的
恐龙,每况愈下,实在没有什么发展前途了,只好骑驴找马。
因为工作的关系,和F、G都有一些合作与竞争的经历。
2. 选马
拖家带口的,又不想commute花太多时间,小start-ups和在SF城里
的公司就不找了。这样就只限于不多的大中型公司。既然机会不多,
就打算准备好以后再投简历面试。最后只面了微软的Skype分部和Google,
AFLN等都来不及试,原因后面再解释。
3. 准备
和本版上的介绍一样,考古、看书、blogs和做题。
看过的书有
The Google Resume (建议要提早看,里面有不少关于networking和
写简历的很好的建议)
Programming Interview Exposed, 2nd edition
Cracking the Coding interview (Career Cup 150),4th editi... 阅读全帖 |
|
c****e 发帖数: 9482 | 15 My company has the following openings right now. PM me if you are interested
. Thanks!
1. Senior Algorithm Engineer
Job Description:
As a software research and development (R&D) team member, you will be
responsible for designing, developing and testing algorithms that turn
general requirement definitions into functioning software independently. You
will communicate and collaborate with other development team members and
comply with our software development processes and procedures. You will
be c... 阅读全帖 |
|
j******y 发帖数: 2578 | 16 一样多
geometry distribution |
|
o***d 发帖数: 313 | 17 有在autodesk工作的么?求refer
最好是偏geometry or graphics方面的.
信箱联系,十分感谢! |
|
o***d 发帖数: 313 | 18 他们家需要比较多的geometry&graphics经验么?
batman |
|
o***d 发帖数: 313 | 19 大牛,请教一下,google里面很多人作graphics的东西么?有没有那个组做geometry比较
多的?
多谢 |
|
G******i 发帖数: 5226 | 20 ☆─────────────────────────────────────☆
hackie (hackie) 于 (Mon Jun 18 01:24:57 2012, 美东) 提到:
在本版上学习受益良多,就写写自己的骑驴找马记。希望知道
我的人看看笑过就算了。
1. 背景
美国CS top 50后学校PHD毕业,工作7-8年,没有换过工作,就是
一直等绿卡,绿卡拿到以后也没有急着跳。公司是互联网时代的
恐龙,每况愈下,实在没有什么发展前途了,只好骑驴找马。
因为工作的关系,和F、G都有一些合作与竞争的经历。
2. 选马
拖家带口的,又不想commute花太多时间,小start-ups和在SF城里
的公司就不找了。这样就只限于不多的大中型公司。既然机会不多,
就打算准备好以后再投简历面试。最后只面了微软的Skype分部和Google,
AFLN等都来不及试,原因后面再解释。
3. 准备
和本版上的介绍一样,考古、看书、blogs和做题。
看过的书有
The Google Resume (建议要提早看,里面有不少关于networking和
写简历的很好的建议)
Pro... 阅读全帖 |
|
x*********w 发帖数: 533 | 21 CLRS Chapter33 - Computational Geometry |
|
s*****y 发帖数: 32 | 22 Hi Paperdog,
I am referenced by my friend that you are looking for an Analyst with
quantitative background, which is rather interesting to me.
First of all, I am a programming engineer with 8 years of extensive data
modelling and processing experience, and am particularly adept at working
with big data, optimization, high performance (parallel/multithread)
computing, machine learning, and numerical methods. I am proficient with
Matlab, C#, Java, and VBA.
Second, I have been rigorously trained in... 阅读全帖 |
|
r****s 发帖数: 1025 | 23 那是computational geometry的算法,和combinatorial optimization(求多项式最优
解)一样都是CS graduate level的课程。stackoverflow的那哥们正在读研估计。 |
|
U******l 发帖数: 21 | 24 Attached below is the formal position description.
The essential requirements are:
(1) You should know C++ well.
(2) You should be very comfortable with either 3D geometry math.
(3) You should have engineering degree.
(4) Preferably you have a few years working experience (but not a hard
requirement if your skills are really impressive however).
This is a stable team where all team members have stayed in the team for at
least 10 years now.
You can send your resume to [email protected]
(func... 阅读全帖 |
|
J*****n 发帖数: 4859 | 25 Great C#.Net Developer position that is co-located with the Front Office
Securities business and is part of the global trading technology team. You
will have the opportunity to work on the real time trading platforms as well
as working closely with the traders to automate trading strategies. This
role is unique in that it is both Development and Ops focussed (on a roster)
and you will get the opportunity to work with trading teams in Asia Pac and
Europe. The desk is focussed on trading Equities ... 阅读全帖 |
|
m*********t 发帖数: 527 | 26 http://community.topcoder.com/stat?c=problem_statement&pm=12928
Snake Snuke has N rectangles cut out of paper. The rectangles are labeled 0
through N-1. You are given int[]s X and Y with N elements each. For each i,
the sides of rectangle i have lengths X[i] and Y[i].
Snake Snuke will choose some of his rectangles and place them onto a table,
one rectangle at a time, in any order he likes. Each rectangle (except for
the first one) must overlap the immediately previous one, so at the end
Snuke wi... 阅读全帖 |
|
z*p 发帖数: 93 | 27 这个是我组内的opening。 是某欧洲公司的分部,加州南湾目前大概接近300人。
其实关键字就是C++, Fourier Optics, 算法,有lithography背景和linux
programming背景更好, 不过都不是必须的。 公司办H1B, O1,Eb1b and Eb2绿卡。
感兴趣的或者有具体问题的请直接站内信。 谢谢啦!
Job Title: Senior Software Engineer
Responsibilities:
In the software research and development (R&D) team, you will be a key
member to develop high quality software and contribute to all phases of the
development process from designing to release. You must be responsible for
independently developing and testing the algorithms... 阅读全帖 |
|
y*d 发帖数: 2226 | 28 FreeBSD在90年代是很火的,当时用的人比linux多,Jobs的OS X也用了不少FreeBSD的
代码
(好吧,我承认我也没那么老。90年代的部分,是我听公司的老马工讲的)
Postgres麻烦你别传进到mysql啊。postgres在功能上,性能上都比mysql好。但是
mysql的商业
推广更成功。这正好说明了,好的idea和赚钱是两码事
作为老码农,我不过是看过的更多一些。2000年的时候,你说mach(现在还是OS X的内
核),unix是很1970的东西,但是postgres和freebsd可是当时的热门玩意啊。
postgres的ORDBMS和Geometry在90年代后期被认为是数据库的未来,就好比spark现在
被认为是big data的未来
各种概念,如你所说,就是一波一波的炒。我只是举了两个栗子,说明很好的软件,很
好的idea未必就真能赚钱 |
|
s***l 发帖数: 2 | 29 这间在湾区的视觉追踪startup最近登上了CES十大科技,也由于VR/AR的兴起,研发业
务量暴增。http://venturebeat.com/2016/01/09/the-deanbeat- the-10-best-technologies-of-the-consumer-electronics-show/)
以下有两个researcher的缺,意者请寄信至 [email protected]
/* */ 內推
=========================================================
=========================================================
Computer Vision Algorithm Researcher:
RESPONSIBILITIES
*Develop and optimize computer vision/eye-interaction algorithms for head
mounted displays
*Work closely with o... 阅读全帖 |
|
h*****e 发帖数: 1153 | 30 Company: Acutus Medical
Location: Carlsbad, CA
Software Developer
We are seeking a highly motivated, professional and experienced Windows
application software development engineer with medical device experience.
This position offers a very competitive base salary and an excellent
benefits package.
Job Responsibilities:
•Design, modify, develop, write and debug Windows software
applications in MFC/C++ as well as WPF/.NET/C#
•Participate in system design and architecture specification ... 阅读全帖 |
|
发帖数: 1 | 31 Title: Sr. Architect -- Computer Vision ( 实际只需要3-7年经验)
Work type: full time
Location: San Jose, CA
Salary range: 150K-220K
Desired Skills & Experience
• MS or PhD degree in CS / CE / EE, or related engineering field
• Broad knowledge in various computer vision related topics, solid
understanding of
imaging system principles
• Strong knowledge and extensive hands-on experience of 3D computer
vision technologies, including 2D/3D feature detection and matching, 3D
reconst... 阅读全帖 |
|
发帖数: 1 | 32 another NEW OPENING at VIPSHOP
Title: Sr. Engineer in Computer Vision
Work type: full time
Location: San Jose, CA
Salary: 160K-220k
About Vipshop
VIPShop US Inc., the US R&D center of VIPShop Holdings Limited (NYSE: VIPS),
focuses on advanced research and technology development in the areas of
Mobile platform, Big data system and emerging technologies.
Job Summary
• Contribute to company’s strategic Internet of Things (IoT)
initiatives by leading visual computing technology effort, inclu... 阅读全帖 |
|
发帖数: 1 | 33 Title: Sr. Engineer in Computer Vision
Work type: full time
Location: San Jose, CA
Salary: 160K-220k
About Vipshop
VIPShop US Inc., the US R&D center of VIPShop Holdings Limited (NYSE: VIPS),
focuses on advanced research and technology development in the areas of
Mobile platform, Big data system and emerging technologies.
Job Summary
• Contribute to company’s strategic Internet of Things (IoT)
initiatives by leading visual computing technology effort, including 3D
computer vision, augment... 阅读全帖 |
|
发帖数: 1 | 34 Title: Sr. Engineer in Computer Vision
Work type: full time
Location: San Jose, CA
Salary: 160K-220k( base)
About Vipshop
VIPShop US Inc., the US R&D center of VIPShop Holdings Limited (NYSE: VIPS),
focuses on advanced research and technology development in the areas of
Mobile platform, Big data system and emerging technologies.
Job Summary
• Contribute to company’s strategic Internet of Things (IoT)
initiatives by leading visual computing technology effort, including 3D
computer vision, ... 阅读全帖 |
|
发帖数: 1 | 35 Title : Computer Vision & 3D Perception Researcher
Location: San Diego, CA
work type: full-time
salary: Open - 500K ( Total package)
Job Description
You will help cars to reconstruct the real-world environment. You will train
the cars to know where they are and what they look like as if they can see.
Responsibility
Design and implement mapping, localization, and pose estimation algorithms
based on vision, LIDAR, IMU, and/or RADAR data
Research on topics such as: 3D computer vision, multiple vie... 阅读全帖 |
|
t****h 发帖数: 36 | 36 Has an opening of software engineer in our company (BobCAD-CAM) to develop
CAD/CAM product.
The candidate is expected to have following skills,
1. Strong understanding of OOD approach.
2. Strong knowledge of C++/C#
3. Strong understanding of computational geometry.
Has following skills is a big plus:
1. Deep understanding of machining processes.
2. Previous experience on CAD/CAM software development.
Sponsor H-1B |
|
t****h 发帖数: 36 | 37 公司(BobCAD-CAM)在佛州TAMPA地区。 主要从事机械 CAD/CAM 软件产品开发。 主要的
开发人员都是中国人。
位置: 软件工程师
Duties
1. Design and develop algorithms in CAD/CAM modules
2. Develop GUI for CAD/CAM products
3. Integrate third party software into current products
4. Maintain legacy code
Requirements:
1. Proficient in C++/C#
2. Strong knowledge on OOD approach in software development
3. Understanding of computational geometry, linear algebra
Desired skills (not required but a plus)
1. WPF UI develpment experience
2. Un... 阅读全帖 |
|
t****h 发帖数: 36 | 38 公司(BobCAD-CAM)在佛州TAMPA地区。 主要从事机械 CAD/CAM 软件产品开发。 主要的
开发人员都是中国人。
位置: 软件工程师
Duties
1. Design and develop algorithms in CAD/CAM modules
2. Develop GUI for CAD/CAM products
3. Integrate third party software into current products
4. Maintain legacy code
Requirements:
1. Proficient in C++/C#
2. Strong knowledge on OOD approach in software development
3. Understanding of computational geometry, linear algebra
Desired skills (not required but a plus)
1. WPF UI develpment experience
2. Un... 阅读全帖 |
|
J********h 发帖数: 93 | 39 有兴趣的同学可以发简历到[email protected]/* */,本人直接发到hiring manager.
我们软件公司(200-300人规模)最近招人,地点:Santa Clara, California。薪水
decent,客户比较稳定,办绿卡比较方便, 但是要大富大贵的童鞋就不适合了。prefer
有理科背景的程序员。
1. Jr./Sr. Java developer
Job Description:
We are looking for highly talented Jr./Sr. Java developer to join our
software research and development team. In this role, you will be
responsible for designing, developing, and testing software programs that
are leading the way in this industry. You will be challenged with
identify... 阅读全帖 |
|
J********h 发帖数: 93 | 40 I've chosen some top resumes to the hiring manager.
We have more openings for Senior Engineer (Modeling / Optimization)
Job Description
In the software research and development (R&D) team, you will be a key
member to develop high quality software and contribute to all phases of the
development process from designing to release. You must be responsible for
independently developing and testing the algorithms and turn general
requirement definitions into functioning modules. A good candidate should... 阅读全帖 |
|
J********h 发帖数: 93 | 41 我们比较prefer数学物理背景的有较强编程能力的。公司比较稳定,福利不错,工作环
境较好。简历请发到[email protected]/* */。
Senior Engineer (Modeling / Optimization)
Experience
3+ year experience in C++ and/or other object-oriented software development.
Solid understanding in data structures and algorithms. Experience in
developing and debugging multi-threaded/parallel applications. Familiar with
SQL, UNIX environment and scripting languages. Experience in image
processing, computational geometry, optimization, numerical methods,
scienti... 阅读全帖 |
|
m********u 发帖数: 3942 | 42 有兴趣的同学站内或者发邮件联系 [email protected]/* */
Key responsibilities:
Hands-on research and development of core technology for autonomous driving
of light-weight mobile robotic delivery vehicle in city environments.
Key requirements and qualifications:
Development experience on autonomous driving technology is highly preferred
Solid foundation on computer science, artificial intelligence, optimization
SLAM, localization and mapping algorithm, path planning, obstacle &
collision avoidance
Robot sen... 阅读全帖 |
|
m********u 发帖数: 3942 | 43 Image Algorithm Development: Senior/Staff Engineer (C++/Image Processing/
Computer Vision/Deep Learning)
不需要很多年经验,fresh grad/entry level都可以,工资不会特别高。。
地点加州 San Jose, CA
有兴趣进一步了解的欢迎站内或者发邮件联系 [email protected]
DESCRIPTION
The successful candidate will join a world-class team of algorithm and
software engineers to conceive, implement, optimize, and document advanced
algorithms and software modules used in SEM Wafer / Mask inspection systems.
This individual will utilize his/her skills and know... 阅读全帖 |
|
m********u 发帖数: 3942 | 44 急需~~ PhD两三年经验就可以,地点Santa Clara, 有兴趣请站内或者邮
件 [email protected]
Responsibilities:
We are recruiting highly qualified Scientists/Algorithm Engineers into the
Core Technology Team, to help in the continued expansion of our technology
in AR technologies. We are looking for intelligent, enthusiastic engineers,
with MS or PhD degree and background in computer vision, ideally with a
strong focus on image processing, AI, 3D processing, computer geometry.
Excellent software engineering ability is vit... 阅读全帖 |
|
c*****8 发帖数: 23 | 45 有兴趣的同学请发站内信,帮忙介绍的同学如果内推成功,可平分奖金:)
email: [email protected]
Sr Software Engineer - Data Science Pipeline - Big Data, Java, Python
Job LocationsUS-IL-Chicago
Qualifications
A BS or MS in Computer Science or related field
5+ years of programming experience Java, Python, and Java Script.
3+ years of working experience with AWS services (EC2, SNS, SQS, S3, EMR,
Data Pipeline, VPC and etc.)
Development experience of Web Services (RESTful, SOAP)
Development experience with web application framewor... 阅读全帖 |
|
r***l 发帖数: 45 | 46 简历送到邮箱: [email protected]。
Software Engineer –Computer Vision - (Autonomous Systems)– SF bay area CA
Intern/ Part-time/Full-time
Responsibilities:
Contribute to the development of state-of-the-art algorithms for depth-
sensing, visual odometry, SLAM, and camera calibration. You'll be working
closely with our world class Sensor Fusion experts and directly impacting
the next generation of self-driving vehicles and UAVs.
Qualifications:
- Masters or PhD Computer Science, Electrical Engineerin... 阅读全帖 |
|
h***s 发帖数: 2 | 47 各位前辈,大佬大家好,
小弟是中科大本科,美国中部学校CS硕士,ME博士(双学位)。现在刚过了Google夏季实
习的电面,进入到了team match 阶段,希望被打捞上岸。
我的背景比较偏工程,对Robotics, Computer Aided Design, Computational
Geometry很感兴趣。主要用的语言是C++, 一直在实验室编写计算机辅助制造(CAE)的软
件,因此对计算几何、数值分析,数据结构接触的较多。同时为了编写界面,也会用到
OpenGL,MFC,Qt等工具。用OpenMP做CPU并行计算。除此之外,我也使用Matlab编写过一
些优化的程序,例如Linear programming, Bilevel programming. 对很多算法,例如
Simplex也是code from scratch.
我自认为是一个学习能力很强的人,对Engineering抱有热情,很多老师对我评价也不
错。我在自己的实验室和同组同学合作愉快,明白teamwork的重要性。
我比较感兴趣的组是Google Earth, Google Maps, X 和 Waymo。... 阅读全帖 |
|
r******y 发帖数: 4 | 48 Quality Math Tutoring by PhD Student from UCI, 949-232-7008,yypmath@gmail.
com
I am a math PhD student at UCI who is offering high quality tutoring
services.
- 5 years of teaching experience.
- Subjects:
Matlab, GRE, SAT, All High School and Jr. High math, Algebra, Geometry,
Trigonometry, Pre-Calculus, Calculus, Probability, Linear Algebra.
Not just a tutor, I am an academic coach who will motivate peers and
students toward achieving academic success. |
|
w***r 发帖数: 4 | 49 关于公司的介绍, 可以访问 www.magma-da.com
职位:Developer in Detailed Routing Team.
要求:M.S. or Ph.D. in CS or EE
精通C++
VLSI Physical Design 知识
(加分)Computational Geometry or Multithreading/Distributed
Computation.
工作地点:加州圣何塞
公司资助H1b 和绿卡申请。
有意者请将英文简历发至:h*[email protected] |
|
l******h 发帖数: 2 | 50 Highly reputational company with very competitive compensation for all
positions.
Please send in your resume and position/positions you like to apply to my
email address below.
h*******[email protected]
All resumes will be deliver to hiring manager directly. Act fast!
Thanks!
Silicon Engineering Group
Sr. Physical Design Timing Engineer
Timing (STA) Manager
Senior Physical Design Engineer
CAD Manager - Front-End Design and Verification
Sr. CAD Engineer - Place & Route / Physical Design Engineer
Sr. CA... 阅读全帖 |
|