对测试装置存在的系统误差进行了分析，并指出了光学镜片的镜面反射是产生误差的主要原因。
It is pointed out that the mirror reflection of optical glass is the key item for error through analyzing the systematic error of the self-made testing apparatus.
广泛用于UV灯的反射，可订做铝合金全镜面反射罩和联机快门装置反射罩，内含进口反光片。
It extensively be used for UV lamp's reflection, and can book aluminum alloy's all mirror reflection cover and on-line shutter device reflect cover, in it contain import reflected light piece.
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