“mean place”的概念、定义、翻译、参考文献-科学参考

单词	mean place
释义	mean place [`mēn `plās] ^ASTRONOMY The position of a star on the celestial sphere as it would be observed from the center of the sun, referred to the mean celestial equator and celestial equinox for the beginning of the year of observation.
随便看	saponification saponification equivalent saponification number saponin saponite Sapotaceae sappare sapphire sapphire quartz sapphire whiskers sapphirine sapping Saprist saprobic saprogen saprogenous ooze Saprolegniales saprolite saprolith sapropel sapropel-clay sapropelic coal sapropelite sapropel-peat saprophage

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