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m 光通量是每单位时间到达、离开或通过曲面的光能数量。流明 (lm) 是国际单位体系 (si) 和美国单位体系 (AS) 的光通量单位。如果您想将光作为穿越空间的粒子（光子），那
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f in the traders don’t possess the types of runninhg costs this bricks AS well AS trenc
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s definitely got started AS a popularity. in the 1970s, australian users donned you
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o buy cheaper shoes, inappropriate replaced AS soon AS possible. AS children camper traile
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动器AS3693，适用于lcd电视led背光应用，可实现lcd电视背光的多段调光，以达到最高的对比度和最佳的画面质量。所谓块调光是指仅将所需的背光段点亮，使电视画面中的亮点显得非常
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: AS an important pedestrian pASsageway inside the puxi park, the world expo axis is mai
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s ,gedi always see quality AS its life. the sense of quality and strict management syste
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y establish shakespeare AS the foremost literary talent of his own elizabethan age and, eve
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r mind and body, renew your life energy, refresh and rejuvenate you AS well AS attain harmon
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