1.
Either half of the major axis is called a semimajor axis.
![点击朗读](/dictall/images/read.gif)
长轴的每一半叫做半长轴。
2.
The major semiaxis a and p of the relative orbital motion are known.
![点击朗读](/dictall/images/read.gif)
我们知道其相对轨道运动的主要半长轴a和周期p。
3.
semimajor axis of ellipsoid
![点击朗读](/dictall/images/read.gif)
椭球长半轴,地球长半轴
4.
one-half the major axis of an ellipse; the distance from the center of an ellipse to one end.
椭圆长轴的一半;从椭圆的中心到一端的距离。
5.
Relationships between the minor axis semidiameter and major axis semidiameter have been empirically determined for different structural detail geometries.
对于不同结构细节的几何形状,已经确定了短轴和长轴半径之间的关系。
6.
leading half axle
![点击朗读](/dictall/images/read.gif)
(拖拉机转弯时)前进半轴
7.
multi-spindle vertical semi-automatic lathe
![点击朗读](/dictall/images/read.gif)
立式多轴半自动车床
8.
crankcase bottom half
![点击朗读](/dictall/images/read.gif)
发动机曲轴箱的下半部
9.
reentrant cylindrical cavity
![点击朗读](/dictall/images/read.gif)
圆柱形凹腔, 半同轴空腔
10.
rear axle differential side gear
![点击朗读](/dictall/images/read.gif)
后桥差速器半轴齿轮
11.
The camshaft rotates in phase with the crankshaft, but at half its speed.
![点击朗读](/dictall/images/read.gif)
凸轮轴和曲轴协调旋转, 但速度仅是曲轴的一半。
12.
A vertical Japanese scroll painting.
![点击朗读](/dictall/images/read.gif)
字轴,画轴,长轴一种垂直(悬挂)的日本卷轴画
13.
To create torque in a long axis stroke( freestyle and backstroke), one must have a semi-fixed point from which to work.
为了在长轴划水(由泳和仰泳)建立扭矩,一个人必须在运动中有一个半稳定点。
14.
Five paces by four and a half.'
![点击朗读](/dictall/images/read.gif)
五步长四步半宽。”
15.
A short shaft that transmits motion from a motor to a machine, especially in an automobile.
传动轴,驱动半轴从马达传送动作给机器的短轴,尤指汽车
16.
High quality bearing steel is selected to prolong the beering's service life.
![点击朗读](/dictall/images/read.gif)
轴承选用精制轴承钢,使用寿命长。
17.
Cytyledons and future stalk called the hypocotyl elongate.
![点击朗读](/dictall/images/read.gif)
子叶和未来称为下胚轴的主轴延长。
18.
Application of Oil-free Lubricating Material to Long Shaft Bearings for Dog Transfer
![点击朗读](/dictall/images/read.gif)
拨入机长轴轴承无油润滑材料的应用