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单词 幅射
释义 DEFINITIVE EXAMPLES 权威例句〔blue shift〕A decrease in the wavelength of radiation emitted by an approaching celestial body as a consequence of the Doppler effect.蓝移:飞近的天体发射出的幅射波长之减小,是杜普勒效应的结果美国传统〔langley〕A unit equal to one gram calorie per square centimeter of irradiated surface, used to measure solar radiation.兰利:等于每平方厘米发光表面一克卡的单位,用于测量太阳幅射量美国传统
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