sextant
sextant
英[ˈsekstənt]美[ˈsɛkstənt]
n.(航海用的)六分仪;
复数:sextants;
例句
the principle of the sextant六分仪的基础
To navigate , they must fix their sextant on something concrete.要行动, 就必须要立足于某个坚实的事物上.
Sextant can be used for exploration and navigation .六分仪可用于航海和勘探中。
Other early instruments included the sextant and the astrolabe.另外的早期仪器还有六分仪和星盘.
柯林斯高阶英汉双解学习词典释义
N-COUNT
六分仪(用于测算船只或飞机的位置)
A sextant is an instrument used for measuring angles, for example between the sun and the horizon, so that the position of a ship or aeroplane can be calculated.
英汉词典释义
n.
(航海用的)六分仪
the principle of the sextant六分仪的基础英英词典释义
Noun
1. a unit of angular distance equal to 60 degrees
2. a measuring instrument for measuring the angular distance between celestial objects; resembles an octant
行业词典
体育: 六分仪;
天文学: 纪限仪;清制八件大型铜铸天文仪器之一。由一60°弧及瞄准器构成。用来测量天球上任意两天体间角距离的天文仪器。;
测绘: 六分仪;由分度弧、指标臂、动镜、定镜、望远镜和测微轮组成,适用于船上观测天体高度和目标的水平角与垂直角的手持仪器。;
自动化: 六分仪;
航海科技: 六分仪;
船舶: 六分仪;弧长约为圆周的六分之一,用以观察天体高度的反射镜类型的测角仪器。;