Variant; the user name is one of our parameters.

变量；用户名是参数之一。

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The key title is generally a variant of the general name of the publication, which is modified to make it globally unique.

识别题名通常是出版物普通名称的变体，它被修改成是全局唯一的。

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You might not want to allow a variant field name to be reused.

最好不要允许一个变换字段名被重用。

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