Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-Hans.png)
元素“<var>Y</var>”上需要特性“<var>X</var>”。
Unlocalized message![](/img/flags/en.png)
The required '<var>X</var>' attribute is missing from element '<var>Y</var>'.
Search by Google元素“<var>Y</var>”上需要特性“<var>X</var>”。
The required '<var>X</var>' attribute is missing from element '<var>Y</var>'.
Search by Google