排序是这些方式中最常见的一种；可以对已排序列表进行二元搜索而不进行线性搜索。

Sorting is the most common of these ways; a sorted list can be binary-searched rather than linearly searched.

youdao

您的应用程序现在还不需要它，因为列表具有相同的作用，但在某些场景中这个元数据是非常有用的。

You will not need this in your application here because the list is homogeneous, but you could imagine scenarios where this metadata would be very useful.

youdao

IEPD - Metadata是所有元数据字段的列表，如果它们是必需的，但是却没有，则显示为错误。

IEPD - metadata is a list of all of the metadata fields, signaling an error if they are required but absent.

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