“zenithal hourly rate”的概念、定义、翻译、参考文献-科学参考

单词	zenithal hourly rate
释义	zenithal hourly rate [`zē·nǝ·thǝl `au̇r·lē `rāt] ^ASTRONOMY The number of meteors in a meteor shower which would be observed per hour if the radiant of the meteor shower were overhead and there were no moonlight.
随便看	schist schist-arenite schistose schistosity schistosome dermatitis schistosomiasis Schistostegiales schizaxon schizocarp Schizocoela schizodont schizogamy schizogenesis schizognathous Schizogoniales schizogony schizolite Schizomeridaceae Schizomycetes Schizomycophyta schizont Schizopathidae schizopelmous Schizophora schizophrenia

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