投影仪安装

Projector installation

以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译

1
一个安装了投影仪的臂环直接将用户界面投射到了用户的手腕上。
An armband equipped with a projector displays a user interface directly onto the wrist of a user.
2
研究者们发现除了一间教室外，所有教室都把投影仪挂于天花板上，屏幕垂直安装，这样的设置使问题更加严重。
The researchers found that all bar one of the classrooms they studied had equipment arranged in such a way as to exacerbate this problem, with projectors on the ceiling and screens mounted vertically.

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