“marine sextant”的概念、定义、翻译、参考文献-科学参考

单词	marine sextant
释义	marine sextant Encyclopedia 工学〔其他导航仪表〕释 marine sextant航海六分仪手持式，用以测量天体高度或物标夹角的精密光学仪器，因其分度的弧长约为圆周长的1/6而得名，是古老的用以测定船舶位置的航海仪器。
随便看	terrestrial hydrology in China Terrestrial Intermediate Origin Terrestrial Intermediate Origin，TIO Terrestrial Intermediate Reference System terrestrial kilometric radiation terrestrial latitude terrestrial longitude terrestrial magnetic disturbance terrestrial magnetic guidance system terrestrial magnetism Terrestrial Map with Notes by Yang Ziqi terrestrial-mass planet terrestrial meridian terrestrial microorganism terrestrial navigation terrestrial parallel terrestrial photogrammetry terrestrial photographic camera terrestrial physics terrestrial planet Terrestrial Planet Finder terrestrial plant terrestrial pole terrestrial radiation terrestrial radiation(long-wave radiation)

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。