“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	right-handed reference frame right handed rotation right-handed rotation right-handed screw rule right-handed system right-handed trihedral right-handed upper continuous right-hand inclusion right-hand lower derivative right-hand lower limit right-hand parenthesis right hand rule right-hand rule right-hand screw rule right-hand side right-hand side problem right hand spinors right-hand upper derivative right-hand upper limit right helicoid right hereditary ring right heredity right Hermite ring right homotopy inverse right hyperbola

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