还有两个保留平面，平面15和平面16，用于个别用途，没有分配编码指针。

There are two more reserved planes plane 15 and plane 16, for private use, where no code point is assigned.

youdao

还有两个保留平面，平面15和平面16 ，用于个别用途，没有分配编码指针。

There are two more reserved planes plane 15 and plane 16 , for private use , where no code point is assigned.

youdao