功能错误模型
Functional error model
以上为机器翻译结果，长、整句建议使用 人工翻译 。
现有的焦点模型非常令人头痛，因为它存在无数的错误，并且功能很少，比如不能查询当前哪个组件拥有焦点。
The existing focus model has been plagued by countless bugs and greatly lacks functionality, such as not being able to query which component currently has the focus.
youdao
应用推荐
模块上移
模块下移
不移动