numerical control device 数控装置 ; 数控设备
numerical device model 数值器件模型
numerical display device 数值显示器件 ; [电子] 数字显示装置
numerical keyboard device [计] 数字键盘装置
numerical recording device 数字记录器件
A kind of the pulse control mode, the drive and motor closed loop, but not to the numerical control system, the feedback device, in a sense, can open loop control called the servo control.
一种采用脉冲控制方式，此种驱动器与电机闭环，但不反馈到数控系统，这种驱动器在某种程度上可称为开环控制的伺服控制。
This paper presents the principle of a new scheme and its implementation into latest numerical protection and control device.
本文介绍的原则，一项新计划及其执行情况的最新数值的保护和控制装置。
In this paper a fluidics device of continuous-path numerical control system for electrical spark machine tool is presented.
文章介绍了用于电火花线切割机床连续轨迹式数字程序控制的射流装置。
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