一种考虑这个问题的办法是，如果你还觉得，二重积分是求体积的话，那这个度量的，就是函数1的图形下的体积。

One way to think about it, if you're really still attached to the idea of double integral as a volume what this measures is the volume below the graph of a function one.

youdao

一种考虑这个问题的办法是，如果你还觉得，二重积分是求体积的话，那这个度量的，就是函数1的图形下的体积。

One way to think about it, if you're really still attached to the idea of double integral as a volume what this measures is the volume below the graph of a function one.

youdao