Michael: Mobile WebKit doesn't support fixed-position UI elements; the CSS to support this has been turned off in the browser.

Michael：MobileWebKit并不支持固定位置的UI元素；支持该特性的CSS已经被浏览器关闭了。

youdao

The Medium and Low Priority streams can support fixed outdoor reception.

中优先级和低优先级码流可支持室外固定接收。

youdao

The Medium and Low Priority streams can support fixed outdoor reception.

中优先级和低优先级码流可支持室外固定接收。

youdao