| 单词 | semidiameter correction | 
| 释义 | semidiameter correction [¦sem·i·dī`am·ǝd·ǝr kǝ`rek·shǝn]  NAVIGATION The sextant altitude correction that, when applied to the observation of the upper or lower limb of a celestial body, determines the altitude of the center of that body.  | 
	
| 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。