名词短语
中文翻译：Unknown
同义词：
['position indicator', 'projection plan indicator']
例句：
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1. The projector's position indicator is very useful for locating the projector on a large screen.
投影仪的位置指示器对于在大型屏幕上定位投影仪非常有用。
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2. The new software has an improved position indicator that shows the current location of the camera.
新软件改进了位置指示器，显示了摄像头的当前位置。
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3. The engineer used the position indicator to ensure that the machine was in the correct position before starting the assembly process.
工程师使用位置指示器确保机器在开始组装过程之前处于正确位置。