z I do F dot n. That just gives me the z component which might involve x, y and z.

把F和n做内积，于是得到,它由x，y，z组成。

youdao

z I do F dot n. That just gives me the z component which might involve x, y and z.

把F和n做内积，于是得到,它由x，y，z组成。

youdao