单词	Doppler radar
释义	Doppler radar noun : a radar system that utilizes the Doppler effect for measuring velocity Word History First Known Use 1954, in the meaning defined above
随便看	rt Rt Hon rta RTC rtd rte rtfmed rtfming rtfms rtlts RTN RTO rtw rty ru Ru RU-486 ruade ruala Ruala Pompilidae pompilids pompiloid Pompilus pomping

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