后续的平面用于附加字符或其它还没有发明的编码实体。

Subsequent planes are used for additional characters or other coded entities not yet invented.

youdao

我们面对的世代是 -- 与实体世界融合在一起的运算.如果你没有平面可用，手掌也可以处理简单的功能。

So, we are looking for an era where computing will actually merge with the physical world. And, of course, if you don't have any surface, you can start using your palm for simple operations.

youdao

特别地，绕平面上一点旋转物体，同样可以想象，旋转一个实体。

In particular, we have been rotating things about just a point in the plane What you could imagine also is instead you have your solid.

youdao