| 单词 | secular acceleration | 
| 释义 | secular acceleration [`sek·yǝ·lǝr ak´sel·ǝ`rā·shǝn]  ASTRONOMY An apparent gradual acceleration of the moon's motion in its orbit, as measured relative to mean solar time.  | 
	
| 随便看 | 
	
  | 
	
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。