平均积分：过去几天平均被授予的积分。

Average credit: the average credit granted over the last few days.

youdao

二重积分可以用来得到关于这个区域的某些信息，或者这个区域上的一个函数的平均值，等等。

We can use that to get information about maybe the region or about the average value of a function in that region and so on.

youdao

二重积分可以用来得到关于这个区域的某些信息，或者这个区域上的一个函数的平均值，等等。

We can use that to get information about maybe the region or about the average value of a function in that region and so on.

youdao