A: a reversal in the rotation of Earth is impossible.
答：地球发生相反方向的旋转是不可能的。
The snag is that the rotation of the Earth is not so reliable.
不便之处是地球的自转并不是那样的准确可靠。
With the Track View, I could repeat the rotation of propellers.
用跟踪视图我可以重复螺旋桨的旋转动作。
The rotation of flagella pushes the bacteria through the water.
鞭毛的旋转可以推动细菌在水中行进。
This action helps the outer rotation of your front thigh.
这个动作帮助前大腿的外旋。
Periodic rotation of tyres will result in longer tyre life.
轮胎定期换位能延长其使用寿命。
Another commonly needed image manipulation is the rotation of images.
另一种经常需要用到的图像操作是旋转图像。
Calculates the rotation of the forearm relative to the controller.
计算前臂相对于控制器的旋转角度。
The rotation of images and extension processing requires little CPU power.
旋转图像和处理扩展只占用少量的CPU。
The calendar is based on the size and rotation of the planet Coruscant .
该历法的根据是科洛桑行星的大小和运转速度。
That is an orbit which turns at the same speed as the rotation of the Earth.
这种轨道是与地球自转保持同步的。
One study examined 11 soils in the US under a rotation of maize and soybeans.
有一项研究，在美国对于玉米与大豆轮作的11处土壤进行了研究。
Optical rotation of solutions should be determined within 30 minutes of preparation.
溶液的旋光度应该在溶液配制好30分钟内进行测定。
A complete rotation of the body around its vertical axis, as in diving and gymnastics.
身体绕垂直轴心完整地绕一圈，如在跳水或体操中。
And we pass both high tides during each twenty-four-hour rotation of the earth on its axis.
地球自转24小时期间，我们就会经历两次的涨潮。
Earth tugging on the Moon's surface has slowed down the rotation of the Moon over time.
随着时间的推移，地球对月球表面的牵引逐渐减缓了月球的自转。
They can also be used for graphics work, such as simplifying the rotation of objects on a GUI.
它们还可用于图形工作，如简化gui上对象的旋转。
So Meibom and his colleagues are measuring the rotation of stars whose ages they already know.
所以Meibom和他的同事们正在测量已知年龄的星星的自转速度。
WORKHEAD: Part of a machine that helps position, hold, and drive the rotation of the product.
爪盘：车床上用来帮助定位、夹持以及驱动转动产品的部分。
His advice to Purdue: Look for evidence that the changes in radioactive decay on Earth vary with the rotation of the sun.
他向普渡大学的研究者提出建议：寻找地球上放射性元素衰变速率的变化同太阳自转的关系。
In the same way, the rotation of the material in a disk prevents it from collapsing inward under the force of gravity.
相同的道理，圆盘上物质的转动阻止了重力作用所引发的向内崩塌。
After change of management at BLRI and rotation of national project staff, additional training was provided for new colleagues.
在孟加拉畜牧研究的管理发生改变以及国家项目职员轮换时，还对新来的同事提供进一步的培训。
Pelvic displacement, tilt and the influence of the rotation of the body, and how to solve the problem of the pelvis balance.
骨盆移位、倾斜和旋转对身体的影响以及如何解决骨盆平衡的问题。
Because of the rotation of the earth and the circulation of air currents, raindrops seldom fall in strictly perpendiclar lines.
由于地球自转与气流循环的关系，雨滴的路线很少是真正的垂直线。
The rotation of the pole caused the flag to move back and forth as if rippling in the breeze even though there's no air on the moon.
旗杆的转动使得旗帜前后抖动，看上去好像是被风吹动的，即使月球上没有空气。
The shaft shall be hexagonal or square to ensure positive rotation of the disc and be totally sealed from exposure to the process liquid.
阀杆应该是六角形或方形，以确保阀瓣能够灵活旋转，并且完全密封，不会暴露在处理的液体里。
Some, like LaTeX, may not support rotation of text, so if you set the ylabel, as we did earlier, it would appear differently on different terminals.
其中的一些(如latex)可能不支持文本的旋转，所以如果您像我们前面那样设置ylabel，在不同的终端中可能显示不一样。
Some, like LaTeX, may not support rotation of text, so if you set the ylabel, as we did earlier, it would appear differently on different terminals.
其中的一些(如latex)可能不支持文本的旋转，所以如果您像我们前面那样设置ylabel，在不同的终端中可能显示不一样。
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