名词
中文翻译：机械投影
同义词：
['mechanical projection', 'mechanical projections']
例句：
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1. The projector is a mechanical projection device that projects images onto a screen.
这个投影仪是一个机械投影设备，可以将图像投射到屏幕上。
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2. In this case, the mechanical projection is used to simulate the movement of objects in space.
在这种情况下，机械投影被用来模拟物体在空间中的动作。
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3.The mechanical projection was a popular choice for educational purposes due to its ability to create realistic images.
由于其能够创建逼真的图像，机械投影在教育领域曾经非常受欢迎。