c******y
发帖数: 306 | 1 十万火急啊！请问哪位知道重晶石Barite美国哪个公司做深加工提纯提炼的啊。。不是
磨粉的。小妹万分感谢！！！！ |
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l*****i
发帖数: 3929 | 2 【 以下文字转载自 Linux 讨论区 】
【 原文由 longhei 所发表 】
有这样一段perl script:
use strict;
open(my $fd,"
my(@cgits,@barits);
while(<$fd>) {
$_ =~ s/^\s+//; # trim leading white space
my($iter,$res,$obj,$feas,$dual,$comp,$its,$mu,$junk) = split(/\s+/,$_);
next if ! defined $its || $its !~ /^\d+$/; # skip if seventh token not
integer
push(@cgits,$its);
push(@barits,$its) if $mu > 2.1e-8;
}
有这样几个问题请教：
1。“use strict”是干什么用的？
2。open(my $fd," |
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E*V
发帖数: 17544 | 3 不是说国民富有，（rank 219 out of 229 countries)
是说他的自然资源非常富有！
而且几本都没有开发，也就是说还有很多可能的资源未知
wiki：
The country's natural resources include gold, silver, copper, zinc, and iron
ore in the Southeast; precious and semi-precious stones (such as lapis,
emerald, and azure) in the Northeast; and potentially significant petroleum
and natural gas reserves in the North. The country also has uranium, coal,
chromite, talc, barites, sulfur, lead, and salt.[1][26][27][28] However,
these significant mineral and energy reso |
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z**t
发帖数: 211 | 4 要是夜里看新闻就好，今天早上就开始All in。
这个公司拿到了新的溢价融资，证明了其真实性。只要是真的，不是scam，我不怀疑
这种公司的盈利性，当然别出矿难事故就行了。
很快这个公司的EPS会变成正数，然后公司股价很快就会到2.0以上
China Shen Zhou Reports Record 2011 Fourth Quarter And Fiscal Year Revenues
Now - PR Newswire via Comtex
China Shen Zhou Mining & Resources, Inc. ("China Shen Zhou" or the "Company"
) (NYSE AMEX: SHZ), a Company engaged in the exploration, development, minin
g and processing of fluorite, barite, zinc, lead, copper, and other nonferro
us metals in China, today announced record r... 阅读全帖 |
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r********8
发帖数: 3314 | 5 Desert Rose (Barite) 俗名重晶石。 |
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c**t
发帖数: 2744 | 6 use strict; # all variables should be declared
my $fd; # define file handle
my (@cgits, @barits) #declare two array. |
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