“Julian calendar”的概念、定义、翻译、参考文献-科学参考

单词	Julian calendar
释义	Julian calendar [`jül·yǝn `kal·ǝn·dǝr] ^ASTRONOMY A calendar (replaced by the Gregorian calendar) in which the year was 365.25 days, with the fraction allowing for an extra day every fourth year (leap year); there were 12 months, each 30 or 31 days except for February which had 28 days or in leap year 29.
随便看	ring data structure ring deoxyribonucleic acid ring depression ring dike ring discharge ringdown ring-dyed fiber ring E Ringelmann chart ringent Ringer's solution ring F ring fault ring fissure ring fracture ring-fracture intrusion ring-fracture stoping ring gage ring galaxy ring gate ring gear ring holes ringing ringing circuit ringing time

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