保护装置集成了监测、运算、控制、输入输出及通信等多种功能。
The protection device integrates many kinds of functions such as monitoring, calculation, control, input, output and communication.
可编程序控制器(PLC)是一种专门为在工业环境下应用而设计的数字运算操作的电子装置。
Programmable logic controller (PLC) is a kind of electronic device for digital operation which is designed for industrial application specially.
超精密数控车床加工精度的提高不仅依赖于数控装置的运算速度和曲线的拟合精度，同时还依赖于伺服系统的跟踪精度和点位控制精度。
The manufacture precision of super exactitude NC lathe depends on not only the operation rate of NC deviceand joined precision, but also the error of track and point location about servo system.
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