根据两个或更多属性的值指定一个约束规则。

Specify a constraining rule based on the values of two or more attributes.

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如果您希望添加更多属性到langs中，只需要在传递时使用逗号将它们分开。

If you want to add more attributes to langs, simply pass more in separated by commas.

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NameValueData字段中的字符串包括含有零或更多属性的单一文件夹。

The string placed in NameValueData field consists of a single folder that contains zero or more properties.

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One of the properties that you would like a plasmid to have is you'd like for cells to be able to replicate it, to make more copies of it.

所以你所希望质粒具备的一个属性,就是得能让细胞复制它,制造出更多的拷贝

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