是多少呢?是的。,What,is,z?,Yup,,so,it’s,plus,2。,它是+2所以电荷量实际上仅仅等于,我们可以写+2或者你可以写,仅仅指一个电子电荷量,e,just,means,the,absolute,value,of,t,的绝对值。
z z So the charge is actually just equal to z, +2e we can write plus 2, or you can write plus 2 e, e he charge on an electron.
在这种情况下你最好的选择是使用绝对值做模运算符时如果你想基本整数的除法。
Your best bet in situations like this is to operate on absolute values when doing modulo operators if you want basic integer division.
当你站在它的位置,让您的绝对值和腰部紧来支持你的脊椎。
When you do it in a standing position, keep your abs and lower back tight to support your spine.
The absolute number that you assign to it is something that's arbitrary. You have to set what the zero is. And so there's a well-understood convention for what the zero is.
你指定给它的绝对值是有任意性的,你需要设定零点的位置,因此有一个经过充分研究的,关于设定零点的约定。
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