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The hot firing data of two test motors have been carefully analyzed.

采用快速傅立叶变换方法进行了试验发动机的压强振荡曲线频谱分析。

FLOAT PNEUMATIC CLAMP: The work piece is held in place by float pneumatic clamp with large holding forcestable feeding characteristics to the X-slide. The integrated swallowtail type carriage is high in rigidity. The clamp is easy to movethe slides run on hardened precision linear guide waysare driven by AC-servo motors.

浮动式气动夹钳：强大的夹持力保证加工板材在X滑架上稳定地进给，全燕尾型滑架完善的刚性使夹钳很容易地在伺服电机的驱动下沿硬化的高精度线性导轨上平稳精确运行。

Switched reluctance motors ; modifying factor ; arc-tangent function ; flux linkage model ; torque model

开关磁阻电机；修正因子；反正切函数；磁链模型；转矩模型

For quality of the yarn, the new developed computer control system of FA-425 fly frame has to accurately keep the speed synchronization between flyer motor and rolling motor in the process of start, work and stop of the two motors.

为了保证粗纱的质量，新开发的FA-425型粗纱机计算机控制系统，必须使锭翼和卷绕2台机在起动、运行和停止全过程中严格保持速度同步。

Electric motors keep the trains level as they travel the four-minute trip up or down the arch.

电力发动机使火车保持平衡运行，向上或向下需要运行四分钟的时间。

All the actuators of the three-axis turntable are brushless torque motors, all the bearings are aerostatic air bearings, so the friction caused by these elements can be neglected. The main source of friction is the metal-to-metal friction on the slip rings. Hence the "Columb+Viscous+Static" friction model is used here for analysis.

由于三轴转台的驱动系统选用的是无刷电机，轴承则采用的是气浮轴承，轴系上的摩擦力已大大降低，三轴转台上的摩擦主要是滑环轴上金属对金属的摩擦，所以文中选用&库仑＋粘滞＋静摩擦&的摩擦模型来进行分析。

The gas motor is a endothermic rotary engine with just 814 cc displacement, making it one of the smallest and most efficient motors to date in a plug-in hybrid.

天然气汽车是一个吸热转子发动机只有814消委会流离失所，从而成为最小的和最有效的汽车迄今为止的充电式油电混合车。

Toyota Motor Corp., Honda Motor Co. and Volkswagen will show new gas-electric hybrids, while General Motors Co. and Ford Motor Co. plan to promote new gasoline-powered subcompacts and compacts.

丰田汽车、本田汽车和大众将展示新型油电混合动力汽车，通用汽车和福特汽车则将推出以汽油为动力的新型小型车与超小型车。

IMPORT AND DISTRIBUTION OF POWER TRANSMISSION PARTS: ELECTRIC MOTORS, GEAR REDUCERS, ROLLER CHAINS AND SPROCKETS.

机械及电工设备进口商批发商。动力传送设备、电机马达、减速器、滚筒、链条、齿轮、接头件及其其他产品。

Assembly of electrical motors and assembly of gearboxes.

电动马达和齿轮箱的装配和测试。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。