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Motion synchronization between tool in X direction and principal axis rotation was controlled by electronic gearbox in cam turning. And profiling mechanism could be superseded by servo tool-holder. Linear motor direct drive servo tool-holder was designed, and host-slave control system with PC and DSP was developed for the require of high-speed and realtime servo. The technical process was analyzed in cam turning. Servo tool holder with tool swinging and principal axis variable rotate speed were presented to keep constant cutting angle and speed.

将电子齿轮箱用于凸轮车削加工系统的传动，以伺服刀架取代了传统加工的靠模装置，实现了刀具X方向直线运动与机床主轴转动的同步控制；设计了直线电机直接驱动的伺服刀架及基于PC与DSP构成的上—下位机控制结构，采用DSP进行实时控制以满足高速伺服需要；对凸轮加工过程的工艺特点与恒角度、恒速度车削进行研究，提出了具有刀具摆动功能的伺服刀架与机床主轴变转速运动方案。

Furthermore,the technique is characterized by simple algorithm,good realizability and realtime ability,high reliability and low cost,and worth industrial popularization.

应用结果表明，该方法不但使系统同步性能优良，满足石油开采的需要，且算法简单、可实现性和实时性好、成本低、可靠性高，具有很好的工业推广价值。

You can use it to gather realtime feedback from your viewers.

您可以用它来收集实时反馈，你的观众。

You can see in realtime, when friends on your contact-list are online.

你可以看到在实时，当朋友，您的联络人名单是否在线。

You can have a realtime spellchecker or not.

你可以有一个实时拼写检查与否。

This paper provides the relative experiment data to prove that the method of the realtime self-compensation is feasible.

并提供了相应的实验数据，证明所提出的实时自补偿方法是切实可行的。

Simulation results show that the above methods have a good global characteristics and are suitable for realtime control.

仿真结果表明，上述这些方法具有良好的全局性能，并且适用于实时控制。

Network integration of GIS and realtime control system is one trend of GIS development.

GIS与实时控制系统集成是GIS的发展方向之一。

Consequently, it is necessary to monitoring the tools state on realtime.

因此，对刀具破损进行实时监控是必要的。

The results show that the algorithm can attain the realtime requirements of data transmission in one card pass system.

结果表明，该算法能够有效地满足一卡通系统数据传输的实时性要求。

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。