您要查找的是不是：
- Feed roller is driven by an electronic frequency converter which permits stepless variation of its speed and is controled to be synchronized with doffer by the computer. 给棉罗拉采用调频电机传动，实现无级变速，通过计算机控制与道夫传动同步。
- VFC? Voltage to Frequency Converter? 电压频率变换器?
- Purpose: UHF frequency converter, local oscillator，wide band am plifier. 用途:用于超高频频率转换,负载振荡器,宽频放大。
- Programmable controller, man-machine interface and frequency converter are of Japanese "Mitsubishi" brand. 可编程控制器、人机界面、变频器采用进口产品。
- The testing system was mainly composed of PLC, MMI, frequency converter, approach switch and acceleration transducer. 并通过plc、MI、频器、近开关、速度传感器等组成的控制系统完成了对零部件的振动试验。
- Bear the function of spare unit but consume you less investment when compared with frequency converter. 相比变频,多了备用机的功能,投资反而更少了。
- Cost you less than frequency converter but save you more energy in a certain range. 比变频的投资更少,在部分范围更节能。
- For electronic frequency circuit development and improvement of a woofer to better with electronic frequency characteristic of design, excellent in low-frequency axe. 针对电子分频电路开发和改进的中低音单元能够更好配合电子分频设计的特性，中低频表现出色强悍。
- The switchgear cabinets for this crane series feature frequency converter technology. 此系列起重机的开关箱采用变频器技术。
- Even when they are not specifically designed to jam your frequency， sometimes there is incompatibility between the electronic frequency of something and yourself. 即使他们不是明确设计用来阻塞你们的频率，有时有些事物和你们自己之间的电子频率存在不相容。
- This paper describes a Static Phase Advancer using thyristor AC-AC frequency converter which is designed for asynchronous induction motor. 介绍了一种由可控硅构成的交交变频器为主要结构的异步电动机静止进相器。
- The New Techniques Development of High Voltage High Power Frequency Converter of ABB Co. ABB高压大功率变频器的最新技术发展
- Adopt multi-function digital-indication frequency converter, and stepless variable speed. 采用多功能数显变频器，无级变速；
- Man-machine interface, programmable controller, tem-controller and frequency converter are of import brand. 人机界面、可编程控制器、温控模块、变频器采用进口产品。
- This new crane has the new FR. Tronic, with continuous speed control of the various motors using a static frequency converter, as standard equipment. 此新型起重机配备新型FR.;tronic;作为标准配置;安装有一个使用静止变频器的马达转速连续控制器。
- This product is used for connecting motor and frequency converter of some other places where higher shielding performance is required. 本产品与变频器连接的电机引线或其它有较高屏蔽要求场合使用。
- Abstract: The method to realize rise and fall o f elevator and control of the door switch by a frequency converter was introduc ed. 文摘:介绍了电梯改造中用一台变频器实现电梯升降及门开关控制的方法，以及电梯调试的一点体会.
- electronic field frequency converter 电子场频变换器
- Analysis is done for the mechanism of frequency converter technology and the formula of investment recovery period is derived. 笔者试对变频技术应用的原理进行分析,并推导出了变频器投资回收期的公式。
- Electric wheel spindle is used in M215A highspeed internal grinder,which acquire high frequency electric power supply from static frequency converter. M215A型高速内圆磨床采用电动砂轮主轴,电动砂轮轴从静止变频器获得高周波电源；
