对于剩下的愿意忍受我的人，我们继续，现在我们需要积分。

For the rest of you who are willing to bear with me, let's continue. So now let's just integrate.

youdao

我们需要计算通量的积分。

We have to compute the integral for flux.

youdao

但在大多数情况下，我们需要了解怎样建立二重积分。

But most of the time we need to learn how to set up double integrals.

youdao

We don't hike and when we get stuck, we don't want food, we want our table of integrals.

我们不登山,而一旦我们被困住了,我们并不想要食物,我们只需要一张实用积分表

耶鲁公开课 - 基础物理课程节选