That's what you would expect for a horizontal plane just from common sense This is more interesting, of course, if a function is more interesting.

那就是通常意义下的水平面，如果函数本身有趣一点的话，图像也会有趣一点的。

youdao

That's what you would expect for a horizontal plane just from common sense This is more interesting, of course, if a function is more interesting.

那就是通常意义下的水平面，如果函数本身有趣一点的话，图像也会有趣一点的。

youdao