1.
Research on the Dynamical Characteristics of Counter-rotating Dual-rotor System;
反向旋转双转子系统动力学特性研究
2.
The counterrotation reduces the net friction torque.
反向旋转减少了净摩擦力。
3.
If the brakes are kept in the same position, the canopy will drop into a faster negative spin.
假如煞车维持在相同的位置，这伞体将跌入一个更快的反向旋转中。
4.
A stroke that causes a ball to spin in a reverse direction.
削球使球向相反方向旋转的一击
5.
To strike(a ball)so that it spins in a reverse direction.
削球击（球）使其向反方向旋转
6.
in the direction opposite to the rotation of the hands of a clock.
与时钟指针的旋转方向相反。
7.
hit (a ball) with a spin so that it turns in the opposite direction.
用旋转的办法击球使其击向相反的方向。
8.
Males rotated their fields to the left or counterclockwise and females to the right or clockwise.
雄性向左或反时针旋转，雌性则向右或顺时针。
9.
paranemic spiral
平行螺旋，反向双股螺旋
10.
When you want to go backward, the gears work like the powerful low gears, but in the opposite direction.
当要倒车时，就用低速齿轮，但齿轮是反方向旋转。
11.
Do the vanes in the figure rotate clockwise or counterclockwise?
图中叶片的旋转方向是顺时针的，还是反时针的？
12.
Using a wrench, loosen the diaphragm assembly by turning the hex bolt counterclockwise.
用扳手反时针方向旋转六角螺栓，松开隔膜总成。
13.
To revolve(the telescope of a surveying transit) about its horizontal transverse axis in order to reverse its direction.
旋转使（中星仪的望远镜）围绕其水平模轴旋转，并转向一个相反的方向
14.
a rotating airfoil on the tail of a single-rotor helicopter; keeps the helicopter from spinning in the direction opposite to the rotation of the main rotor.
单转子直升飞机尾部上的旋转机翼；防止直升飞机的旋转方向与主转子相反。
15.
Research on Bending Rotation Test of Rotation Shaft in Point the Bit Rotary Steerable System
指向式旋转导向系统旋转轴弯曲旋转试验研究
16.
A turning to the right.Used especially of the plane of polarization of light.
向右旋转向右旋转，尤指光的偏振面
17.
This machine is ideal for grinding various types of turning tool.
磨削时砂轮能旋转自如用于正反向车刀的逆转磨削。
18.
Holding the cage in one hand, push the seat inward and rotate counterclock-wise against the cage.
用一只手握住止回笼，向内推阀座，面对止回笼反时针方向旋转。