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直角三角形有一个角是直角。
A right triangle has a right Angle.
youdao
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在目前的发明中，光束分离器是一种截面为直角三角形的装置。
In one embodiment of the present invention, the beam splitter is in the shape.
youdao
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在目前的发明中，光束分离器是一种截面为直角三角形的装置。
In one embodiment of the present invention, the beam splitter is in the shape.
youdao