Like in a regular ORDER BY clause multiple columns can be specified in either ascending or descending sequence.

类似于在常规的ORDER by子句中，可以按升序或降序指定多个列。

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Performs a subsequent ordering of the elements in a sequence in descending order.

按降序对序列中的元素执行后续排序。

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Sorts the elements of a sequence in descending order by using a specified comparer.

使用指定的比较器按降序对序列的元素排序。

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