每条Order记录都由使用逗号分隔的字段组成，因此该分组被定义为Explicit——Delimited并且分隔符的值为“，”。

Each Order record consists of fields separated by commas, so this group is defined as Explicit — Delimited and the delimiter value is ", ". Each record is terminated by newline character.

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特性的值要设置为逗号分隔的列表，列表中的每一项都是要继承的特性名称。

Its value should be set to a comma-separated list of attribute names that are to be inherited.

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