Those characters that do not map will be substituted by a reserved code point.
那些没有映射的字符将通过预留的代码点来代替。
Every code page has reserved at least one code point for substitution.
每一个代码页至少预留了一个代码点，以便进行替代。
There are two more reserved planes plane 15 and plane 16 , for private use , where no code point is assigned.
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.
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.
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。
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