... optical imaging system 光学成象系统 optical index 光指数 optical integrator 光学积分器 ...
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...号(Model)G150G250G400输出功率(Output power)150ws250ws400ws色温(Colour temperature)5200-5600K曝光指数(Index that glisten)F4F5.6F8输入电源：(Power source)Ac220-240v ..
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闪光指数 [摄] guide number ; GN ; Index that glistem ; Flash factor
曝光指数 [摄] exposure index ; EV ; ei
折光指数 [光] refractive index ; RI ; refractive indices ; Brechindex
眩光指数 Glare index ; UGR
荧光指数 FI ; fluorescence index
闪光灯曝光指数 flash exposure guide number
折光指数增量 [光] refractive index increment
暴光指数 exposure index
薄荷醇和薄荷酮含量的测定方法有旋光测定法、折光指数法及乙酰化法。
There are some other ways to analyzed the contents of menthol and menthone, such as polarimetry, refraction index method and acetylation method.
Anderson列举了3个有可能继续保持指数型增长的下一代技术领域：光互联，3d芯片技术，基于硬件加速的处理器。
Anderson cited three next-generation technologies that were still on the fast track for exponential growth: optical interconnects, 3-d chips and accelerator-based processing.
但是，具有正折射指数的材料已经被制作出来(至少用于对那些具有大波长而无法看到的光进行试验的材料已经制作出)，因此这种构想的试验不会大费周折。
But materials that have negative refractive indices have already been made (at least for light with wavelengths that are too long to be visible), so the idea could be tested fairly easily.
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