axis

英['æksis]美['æksis]

n. [C]
1.轴；轴线
2.（植物的）主茎
3.（透镜的）光轴
4.（画面的）中心线
5.核心，中心
6.（大写）轴心国（第二次世界大战中德、意、日等国）

复　数：axes

同：	[n.] axis of rotation, axis vertebra, bloc

The earth turns round its axis as it travels around the sun.
地球一面绕太阳运行，一面绕地轴自转。收藏
Earth rotates on its axis once every 24 hours. Mercury rotates on its axis once every 59 days.
每24小时地球围绕它的轴自转一周。水星围绕它的轴自转一周要59天。收藏
To oscillate about a lateral axis so that the nose lifts or descends in relation to the tail.Used of an aircraft.
上下振动绕航线轴晃动，机头时而高于时而低于机尾。用于飞机收藏
A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.
抛物面一种有与单坐标轴平行的抛物截面和与该轴垂直的椭圆截面的平面收藏
If the first axis is perpendicular to the ground we speak of an azimuthal mounting
如果第一根轴与地面垂直，就称为地平式支架。收藏

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