1.
The earth' s axis is the line between the North and South Poles.
地轴是南北极之间的线.
2.
The earth 's axis be titled at an angle of about 231
地轴倾斜成约二百三十一度角
3.
true north (north according to the earth's axis,not magnetic north)
真北（以地轴北极为正北的,非磁极之北）.
4.
one of two points of intersection of the Earth's axis and the celestial sphere.
地轴延线与天球相交的两点之一。
5.
The earth's axis is titled at an angle of about 231.
地轴倾斜成约二百三十一度角。
6.
semimajor axis of ellipsoid
椭球长半轴，地球长半轴
7.
the revolution of the earth on its axis round the sun
地球以太阳为轴的旋转.
8.
These events were referred to as ground roll.
那些同相轴称为地滚波。
9.
inverse Mercator chart
横轴墨卡托投影地图
10.
Lightly lubricate pilot bearing with Mopar® high temperature bearing grease.
用Mopar®高温轴承黄油轻轻地润滑引导轴承。
11.
The earth rotates on its axis once every24hours.
地球每24小时依其轴心自转一次。
12.
The rotation of the earth on its own axis causes the change from day to night. (=The earth rotates on its own axis, which causes the change from day to night.)
地球绕轴自转，引起昼夜的变化。
13.
determined with reference to the earth's axis rather than the magnetic poles.
根据地球中轴而非磁极确定的。
14.
(of some shells) closely coiled so that the axis is obscured.
（某些贝类）紧紧地盘绕以致遮住了轴的。
15.
The earth is nonspherical and has a tilted axis.
地球不是球形的并有一倾斜的转轴。
16.
The stub shaft must rotate smoothly without sticking or binding.
短轴必须没有阻力或束缚地顺利旋转。
17.
For bar specimens, the specimens are mounted with the long axis vertical.
测试棒试片以长轴垂直地面方式固定。
18.
The line of sight must be approximately perpendicular to the horizontal axis.
视线必须近似地垂直于水平轴。