1) gradusated filter
分度滤光片
2) filter spectrophotometer
滤光片分光光度计
3) analyzing filter
分光滤色片
5) Filter optical splitter
滤光片分光器
6) neutral density filter
中性密度滤光片
1.
A superior programmable optical attenuator developed based on the attenuating principle of grey-scale neutral density filter and the control technology for optic-electric rotary encoder,achieves excellent performance which includes attenuation accuracy(±0.
基于灰度级中性密度滤光片衰减原理和光电旋转编码器控制技术研制成功的高性能程控光衰减器,取得了优良的衰减准确度(±0。
补充资料：分光
1.分享别人的烛光。指得人之惠而不费人之财。 2.形容极短的时光。
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参考词条