We have the convention of music of writing this symbol indicating the beat-carrying unit of four so I'm writing a four underneath each of these.

我们有一个约定俗成的书写格式,来表示四拍一单元,所以我在每行这里的下面写上一个四

耶鲁公开课 - 聆听音乐课程节选

I will say that Milgrom has also argued that the dietary laws of Leviticus are similarly part of a symbol system that emphasizes life over death.

米尔格罗姆认为,饮食教规和一个象征系统是相似的,那个系统强调生存是超越死亡的。

耶鲁公开课 - 旧约导论课程节选

If you're writing a one line function, whose sole purpose in life is addition, and, clearly, this is about addition, well, then it's, in fact, A reasonable to use a shorter symbol like A, but I do have to specify it's type.

如果你在写一个一行的函数，它唯一的目的是,做加法，显然这是关于加法的，好的，实际上，用一个短的标识符是合理的，像，但是我必须指明它的类型。

哈佛公开课 - 计算机科学课程节选

chickens OK, and then once I've got that, well, notice: I can then check to see, did I return that special symbol none?

第二部分是：,现在一旦我获得了这两个值，注意，我将再检查一下？

麻省理工公开课 - 计算机科学及编程导论课程节选

And to measure the intensity of unequal sharing, we take the difference in electronegativity, which I am going to use the Greek symbol chi for.

要度量非平均的程度，我们考虑电负性的差异，我要用希腊语第22个字母chi来表示电负性。

麻省理工公开课 - 固态化学导论课程节选

What am I doing? I'm creating a list with just that special symbol none in it.

我在做什么？，我只是在创建一个,有着特殊标记。

麻省理工公开课 - 计算机科学及编程导论课程节选

But the take away for now is that if you don't clue -lcs50, -- you get some mention -- some error message -- about "undefined symbol," and that should be your clue that, "Oh it's undefined in that I haven't told the compiler that I want to link in these zeros and ones."

但现在如果你删除“-lcs50“,你们会得到一些提示--一些错误信息-,像“未定义的符号“，这可以为你提过线索，“这个没有被定义，我没有告诉编译器,把想把这个与“1“和“0“建立连接，“

哈佛公开课 - 计算机科学课程节选