实验系统光源采用数字光学投影仪，并用计算机生成电子光栅。
A digital optical projector is used as the optical source, and the electrical grating is generated by computer.
检测设备有光学投影仪、拉、压、扭力测试仪，检测结果由测试仪自动打印。
Optical projector, tension tester, pressure tester and torsiometer are the testing instruments. Testing results can be typed automatically.
用于投影仪的反射器包括限定了光学表面的金属反射器(33)。
A reflector for a projector includes a metal reflector (33) that defines an optical surface.
用于投影仪的反射器包括限定了光学表面的金属反射器(33)。
A reflector for a projector includes a metal reflector (33) that defines an optical surface.
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