| 单词 | Cepheid | 
| 释义 | Cepheid [`sē·fē·ǝd]  ASTRONOMY One of a subgroup of periodic variable stars whose brightness does not remain constant with time and whose period of variation is a function of intrinsic mean brightness.  | 
	
| 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。