此外，Andoid的UI组件包并不是线程安全的。

Additionally, the Andoid UI toolkit is not thread-safe.

youdao

客户可以选择需要的功能组件，而不需要购买整个组件包。

Customers can select just the pieces they want rather than having to buy the entire package.

youdao

还需要配置三个文件以正确显示和使用RichFaces组件包。

These are the 3 files that are needed to properly display and enable the RichFaces component suite.

youdao