“calendar day”的概念、定义、翻译、参考文献-科学参考

单词	calendar day
释义	calendar day [`kal·ǝn·dǝr ´dā] ^ASTRONOMY The period from midnight to midnight; it is 24 hours of mean solar time in length and coincides with the civil day.
随便看	cementum cement valve Cen Cenomanian cenote Cenozoic censored data census cent cental centare Centaurus Centaurus A Centaurus cluster Centaurus X-3 center centerboard center-coupled loop center drill centered lattice center-feed tape center-fire center frequency center gage center-gated mold

科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。