| 释义 |
oc·tant AHD[ŏkʹtənt] D.J.[ˈɒktənt]K.K.[ˈɑktənt]n.（名词）- One eighth of a circle.八分圆：圆的八分之一
- A 45° arc.45°弧
- The area enclosed by two radii at a 45° angle and the intersected arc.八分圆：一个被两条成45°角的半径及与之相交的弧所包围的区域
- An instrument based on the principle of the sextant but employing only a 45° angle, used as an aid in navigation.八分仪：以六分仪的规则为基础设计的一种仪器，但只采用45°角，用来帮助航海
- Astronomy The position of a celestial body when it is separated from another by a 45° angle.【天文学】 八分圆：一个天体当它成45°角与另一天体分离时所处的位置
- One of eight parts into which three-dimensional space is divided by three usually perpendicular coordinate planes.卦限：八个区之一，这八个区是由三个正交平分割三维空间而成
- Latin octāns octant- 拉丁语 octāns octant-
- from octō [eight] * see oktō(u) 源自 octō [八] * 参见 oktō(u)
octanʹtal AHD[ŏk-tănʹtəl] （形容词） |