Try this yourself, and observe the differences. (When numeric sorting looks wrong, add the -g option).

动手试一试，并观察其中的区别(当数字排序看上去有错时，请添加- g选项)。

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The ranking scheme defines how the numeric ranking values within a domain are to be interpreted for the sake of sorting and organizing the set of entries.

等级方案定义了，为了分类和组织条目集合，域中的数值等级值是如何被解释的。

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Correct handling of numeric types for both sorting and range queries.

能正确处理用于排序和范围查询的数值类型。

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