Recently the FLs have being improving and perfected constantly in tube diameter thinning down\,compact shape\,high frequency operation\,cold cathode and electrodeless and developing many new types with high efficacy and long lifetimes.
近年来 ,荧光灯在管径细化、紧凑型化、高频点灯、冷阴极、无电极方面得到不断改进和完善 ,开发了许多新型高效率、长寿命的荧光灯。
the ratio of reflected to incident light.
入射灯光反射的比率。
diffuse lighting
漫射灯光(与直射相对而言)
be bright by reflecting or casting light.
通过反射或者投射灯光使其明亮。
A light fixture, such as a frosted globe, that spreads light evenly.
均匀散射灯灯光装置，例如磨砂灯泡，可均匀地散播光线
Light sources adopt halogen bulbs as four rotators and four flashing bulbs which distributing symmetrically.
光源全部采用优质卤素灯泡，2只闪灯（叉闪烁）4只转灯，2只射灯，左右对称分布。
spectral radiant illuminance standard lamp
光谱辐射照度标准灯
direct a spotlight onto(sb/sth)
将聚光灯射向（某人[某物]）
The chandelier blared.
吊灯射出耀眼的光亮。
The headlamps penetrated the fog.
车的前灯的光射进雾中.
Light poured forth from the many lamps.
许多灯的光一齐射下来。
They played searchlights along the road.
他们用探照灯沿路照射。
diascope (overhead projectors)
反射幻灯机（架空放映机）
enameled reflector
珐琅反射器珐琅灯罩
throw or flash the light of (a lamp, etc.).
投射或者闪现光（灯等）。
They played searchlights on the clouds.
他们用探照灯照射云。
the parabolic reflector of a searchlight
探照灯的抛物面反射镜
The searchlights projected powerful beams of light.
探照灯射出一道道强光。
a spot light with a throw of 500 feet
能照射500 英尺的聚光灯
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