Selected collating sequence not supported by the operating system.

操作系统不支持选择的排序序列.

An attribute of character string data items that governs how a collating sequence for the items is determined.

可排列性coercibility： 字符串数据项的属性，用于管理如何确定该项的整理序列。

The removal of differences between characters that are deemed unimportant for the purposes of ordering characters into their collating sequence.

如果想将字符排列成可以比较的次序，去除两组字符中的差异是不重要的。