We shall now show that the changeofvariable formula for integrals is just as unforgettable.
我们现在来说明积分的换元公式也一样好记。
2
There is one changeofvariable problem on each of the two practice exams to give you a feeling for what's realistic.
两次练习测验中,都有一道题是关于变量替换的,感觉这是很重要的那样。
3
In contrast dynamically typed languages bind the type to the actual value referenced by a variable, meaning that the type of a variable can change along with the value it references.