“上弦”的概念、定义、翻译、参考文献-科学参考

单词	上弦
释义	上弦 Encyclopedia 理学月相释 first quarter上弦农历的每月初七、初八时候，月球与太阳的地心黄经相距90°时，从地球上看月球正面的一半被照亮的月相，此时月亮在上半夜从东边升起。 Physics first quarter上弦 Astronomy first quarter上弦
随便看	close arc close binary close binary galaxy close binary star close binary system close collision close configuration close-confinement close coupling approximation close-coupling approximation close coupling calculation close-coupling calculation close cultivation of grassland close curve closed closed-and-open set closed-and-open subset closed and unbounded set closed and unbounded set; club set closed arc closed architecture closed ball closed base closed basin closed boundary

科学参考收录了854744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。