And, of course, we know also how to set up these integrals in polar coordinates.

当然，我们也知道，怎样用极坐标来计算这些积分。

youdao

And, of course, we know also how to set up these integrals in polar coordinates.

当然，我们也知道，怎样用极坐标来计算这些积分。

youdao