单词 | 杜普勒 |
例句 | 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 |
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