到公元前2300年，所需的符号数量已减少到600个，词汇可表达的范围也扩大了。

By 2300 B.C.E. the number of signs required had been reduced to 600, and the range of words that could be expressed had widened.

youdao

如果是无符号数，它要比有符号的快得多。

And if it is unsigned, then it will be more faster than the signed division.

youdao

计算机的波特率是指每秒传输的符号数目。

The baud rate of the machine is the number of symbols per second transferred.

youdao

And this is given the value the notation Avogadro's number we call it.

那个值的符号为,我们把它叫做阿伏加德罗氏数。

麻省理工公开课 - 固态化学导论课程节选

Well, simply with the * notation at least on the way in when you declare the function called swap, you simply say this is not going to take an int and another int because that's useless.

好的，简单说，当你声明一个函数调用swap函数时,使用*符号，你可以简单说，这不能使用一个int数和另外一个int数,因为那是无效的。

哈佛公开课 - 计算机科学课程节选