Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-Hans.png)
当存在 ref 特性时,type 特性和 complexType、simpleType、key、keyref 以及 unique 元素都不能存在。
Unlocalized message![](/img/flags/en.png)
When the ref attribute is present, the type attribute and complexType, simpleType, key, keyref, and unique elements cannot be present.
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