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词汇 photon
释义 pho·ton AHD[fōʹtŏn'] D.J.[ˈfəʊˌtɒn]K.K.[ˈfoˌtɑn]n.(名词)
    1. The quantum of electromagnetic energy, generally regarded as a discrete particle having zero mass, no electric charge, and an indefinitely long lifetime. See table at subatomic particle 光子,光量子:电磁能的量子,一般认为是有零质量、无电荷和不定长寿命的离散性粒子 参见 subatomic particle
    1. A unit of retinal illumination, equal to the amount of light that reaches the retina through 1 square millimeter of pupil area from a surface having a brightness of 1 candela per square meter.光度:视网膜亮度单位,相当于每平方米有一烛光亮度的表面,通过一平方毫米的瞳孔区域,到达视网膜的光线数量
Related Forms继承用法photonʹic adj.(形容词)
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