Photometer for measuring the directional light distribution characteristics of sources or luminaires.

测量光源或灯具定向光线分布特性的光度计.

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The bat - wing light distribution offers wide luminance without glare.

蝙蝠翼配光曲线,光反射照度广,无眩光.

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Light distribution effected distinctly on specific leaf weight and chlorophl content in all tree shapes tested.

比叶重、光合色素受冠层内光照水平的影响显著.

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