转速

The carrier frequency is related to the rigidity and damping of the machine.

对于&转速调制现象&，文中从数学上和机理上进一步说明了这种现象存在的必然性。

Every instinct was screaming danger, and time shifted into low gear so that turning his head was suddenly like moving through cold honey.

每一个细胞都叫嚣着危险，时间齿轮的转速被放慢，他转头的时候，就好像身处在黏稠的黄油里似的。

By comparing two means of heightening feed pump lift range of reactor in a chemical plant shows that the method of deflection with short vane is an effective mean for heightening lift range and efficiency of the low specific speed centrifugal pump.

通过对提高某化工装置反应器进料泵扬程两种方法的分析对比、实验研究，提出短叶片偏置设计法是提高低比转速离心泵扬程和效率的有效方法。

At the same time, for the polishing plate of diamond film with the same thickness, von Mises equivalent stress and the radial displament show a ascending tendency with the increase of rotating speed, but the axial displacement firstly increases and then decreases.

同时，对于同一厚度的金刚石膜抛光装置，随着转速的提高，von Mises等效应力和径向位移呈现相似的上升趋势，轴向位移却先上升后下降。

Direct-driven PMSG works at low speed and its size is generally big.

直驱永磁同步风力发电机运行转速低，一般定子外径都比较大。

The simulation and experimental results prove that the PLL based sensorless control can obtain accurate speed and phase angle information of PMSG,have fast response,good current control effect,and good steady-state and dynamic performances,may be used to substitute conventional encoder to control the PMSG,by further improvement especially at low speed,for direct-driven WECS.

仿真与实验结果表明，锁相环无速度传感器控制能够准确获取电机转速与角度信息，响应速度快、电流控制效果好，具有较好的稳态与动态性能，经过进一步优化，特别是提高低速段性能后，可以在直驱风电系统中替代常规编码器实现对永磁同步发电机的控制。

In this paper,the threshold of the automatic control system for the synchronous differential lock of off road vehicle is analyzed.With the cornering model of a three-axle vehicle,the response limit of the system is analyzed theoretically.Through the analysis of the mechanical strength and the engaging characteristics of the dog clutch,the maximum difference of rotation speed between two parts of the dog clutch and hence the upper activation limit of the system are calculated

本文阐述了越野汽车差速器同步锁止机构自动控制系统的组成和工作原理，分析了其控制门限；利用所建立的三轴汽车转向行驶运动模型，在理论上确定了越野汽车差速器同步锁止机构自动控制系统的响应界限；通过对同步锁止机构牙嵌式离合器强度和接合特性的分析研究，确定了牙嵌式离合器允许的最高转速差，从而确定了动作限值的上限

During air drilling,under the precondition of high drilling speed,pneumatic hammer drilling technology can validly control the well deflection.

一、空气锤简介空气锤钻井是一种低钻压、低转速、高冲击破岩的回转钻井技术。

During air drilling,under the precondition of high drilling speed, pneumatic hammer drilling technology can validly control the well deflection.

空气锤钻井是一种低钻压、低转速、高冲击破岩回转钻进技术，它兼容了气体钻井和冲击回转钻井的优势，其机械钻速一般比回转钻井高，是当今解决硬岩钻井难题的一种有效方法。

According to the different machines used to change the working conditions transmitted from the driving shaft driven shaft torque, speed and direction of motion of the gear transmission.

按机器的不同工作条件用来改变从主动轴传到从动轴上的扭矩、转速和运动方向的齿轮传动装置。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。