The earth's gravity slows the moon's rotation, matching it to the speed of its orbit.
地球引力减缓了月球的自转速度，使之与其轨道的速度相匹配。
You can base this prediction function on the speed of the object, steering or rotation speed.
你能让预报函数基于物件的速度、操纵或者旋转速度。
To convert measurements of the Milky Way's rotation speed to mass, astronomers must rely on models of how dark matter is distributed in the galaxy.
要把银河系的转速转换成质量，天文学家要依靠模型，而这模型能显示暗物质在星系中是怎样被影响的。
Step motor control, by pulse by changing the order of electricity can change the motor rotation direction, change the pulse frequency can change the motor rotation speed.
步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。
The gear wheel is used to complete the rotation speed of the upper and lower rollers, but the rotation direction is opposite.
采用扇形不完全齿轮传动送料轮轴上的齿轮来完成，上、下滚轮的转速相同，但旋转方向相反。
The relationship between temperature of Northeast China in summer and the earth rotation speed is studied.
该文研究了东北地区夏季温度与地球自转速度变化的关系。
Stepping motor control by pulse, by changing the order of power to change the direction of rotation motor, change the pulse frequency may change the motor rotation speed.
步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。
The theory and method of the rotor position detection and rotation speed based on absolute photoelectric encoder are introduced.
介绍了基于绝对式光电码盘的转子位置检测与转速测量的原理和方法。
This allows the fan to have variable rotation speed with respect to the thermal status of the computer.
这使得球迷有关于计算机的热状态变量旋转的速度。
This paper introduces the structure and principle of the pressure regulating overflow valve and rotation speed regulation valve used in a new type of cleaner.
介绍了新研制的一种新型清洗机所采用的调压溢流阀和转速调节阀结构及其原理。
This paper presents a state space model based on spindle rotation speed for thermal errors of machine tool.
本文提出了一种基于主轴转速的机床热误差状态方程模型。
Because bearing stiffness have an effect on interface rotation speed, so the original only introduced computational method of bearing stiffness.
因支承刚度对转轴临界转速有影响，故仅介绍支承刚度的计算方法。
When the disk rotation speed increases the stability of magnetic head is slightly worsened.
高转速的磁盘对磁头稳定性不利，但影响不大。
The experiment shows that the tachometer has a good performance of measuring low rotation speed as well as high rotation speed.
测试结果表明，转速计在高转速和低转速场合都具有较好的性能。
Providers rotation torque to 17,500 ft-lbs (23,727 Nm) with variable rotation speed to 180 RPM for exceptional horizontal and direction drilling performance.
最高转矩17，500 英尺·磅（23，727牛顿·米），可变转速最高180转/分，带来无与伦比的水平钻井与定向钻井性能。
That are the amplitude changes of rotation speed frequency, and initial phase angle.
并分析了影响其抑振效果的三个因素：转速变化幅值，频率以及初相角。
The rotation speed can be changed according to the practical needs to meet the best separation effect.
可以依实际需要更换不同转速，以求得最佳分散效果。
The higher the temperature and the longer the resident time was, the higher the oligomer content was during polyester melt trans - fer course at a fixed screw rotation speed.
在一定的螺杆转速下，温度越高，停留时间越长，聚酯熔体输送过程中齐聚物含量越高。
The performance of high speed rolling bearing was studied under unstable conditions of rotation speed fluctuation, and the failure modes of the bearing were analyzed under such conditions.
分析了高速滚动轴承在转速波动这一非平稳状态下的运行状态，研究了转速波动对轴承运转性能和失效模式的影响。
In addition, the rotation feedback control is added to keep the practical rotation speed at setting value when FPC stands by.
此外，还附加了转速反馈控制，使FPC转速在其待机时总是能保持在稳态给定转速。
So, this new type of cycloidal pump is capable of operating with higher rotation speed and more teeth, higher specific flow rate, less flow fluctuation and wear.
因此，新型转子泵可以采用较普通转子泵更高的工作转速、更多的齿数，并获得更大的流量、更小的波动和更小的磨损。
The spiral horn of sheave and rotation speed had influence on sowing performance.
说明了槽轮的螺旋角度和转速对排种性能的影响。
Effects of rotation speed on the impact process and results are pointed out by the analysis of structural plastic dynamic response and blade deformation.
通过对结构塑性动力学响应和叶片变形过程的分析，指出了叶片断裂时的不同转速对撞击过程及结果的影响。
Through experiment, the relation figures of engine rotation speed, coefficient of performance of heat pump and engine thermal efficiency are presented and analyzed.
通过实验，得出了发动机转速与热泵性能系数、发动机热效率的关系曲线，并进行了分析。
Through experiment, it have realized digital and curve display of motor rotation speed, application program and experiment result has been given.
经过实验，实现了电机转速的数字和曲线显示，给出了应用程序和实验结果。
The influence of milling condition, such as atmosphere and rotation speed of milling on the structure variation has also been investigated.
此外，还考察了球磨条件包括气氛、球磨机转速等对球磨过程中结构变化的影响。
The variation principles of the throw distance, flow rate and rotation speed of variable-rate sprinklers for precision irrigation on square area were given.
通过理论分析，给出方形喷洒域变量施水精确灌溉喷头的射程、流量和转速应服从的变化规律和计算公式。
On the basis of the above-mentioned simulation analysis, a real-time adaptive active noise control system based on engine rotation speed in a minibus is established.
在上述仿真研究的基础上，在某轻型客车上建立了的基于发动机转速的车内噪声实时自适应主动控制系统。
On the basis of the above-mentioned simulation analysis, a real-time adaptive active noise control system based on engine rotation speed in a minibus is established.
在上述仿真研究的基础上，在某轻型客车上建立了的基于发动机转速的车内噪声实时自适应主动控制系统。
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