If you give a sign, on top of the number, that takes care of all ambiguity in one dimension.
如果你在数字前加一个符号,就把一维运动的所有的歧义解决了
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。
So this plus plus is sort of shorthand notation for incrementation. So just add 1 to this variable's value, so now socks on feet is of course 1 and so next.
那么这个++符号是递增排序的,所以仅仅是对这个变量加一,现在袜子在脚上是一,那么下一个也是这样。
And this is given a special symbol A nought.
而我们给它一个符号A上面加个。
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