Raw material is listed as a product so that all the decision variables can be in one set.
原材料也作为一个产品列出来,这样所有的决策变量都可以在一个集合中了。
However, you can use the tr command, which translates characters in one set (set1) to corresponding characters in another set (set2).
然而,可以使用tr命令,它将一个集合(set1)中的字符转换为另一个集合(set2)中的对应字符。
RIM says its system is set up in a way that no one, including RIM, can access user information.
VOA: special.2010.08.06
That's not just a set of functions--variables, as one might say in the lab.It's produced by genius.
它不仅仅只是一套机器,像人们在实验室所见的一样多变,它是由天才创作的。
And this one will be particularly germane to a portion of Problem Set 1, at least in Problem Set 1.
这个程序跟习题集1中的,一部分比较相似,至少在习题1中。
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