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- VFO? Variable Frequency Oscillator? 可变频率振荡器，变频振荡器?
- The stator winding is connected directly to the 60 Hz grid while the rotor is fed at variable frequency through the AC/DC/AC converter. 定子绕组是直接连接到60赫兹的网格，而转子是美联储在变频通过交流/直流/交流转换器。
- Motor for deflector roll in entry side is requested to use AC variable frequency control. 卷取机卸卷小车行走电机采用交流变频调速控制。
- Meanwhile, By the rotor side control of doubly-fed motor, the capability of converter can be decreased largely. 双馈电机能够四象限运行,且可在转子侧变频控制,降低了变频器容量。
- EAL-68 with small amount of additive is suitable for R407C in variable frequency rotary compressors of YZB-20R. EAL-68型POE润滑油加入少量添加剂可以作为R407C的YZB-20R型变频压缩机用油。
- The frequency inverters has a function of variable voltage and variable frequency. 频率逆变器具有变压、变频功能。
- Energy consumption of variable frequency drive pump are analyzed,and makes sugg estions about its suitable application. 详细分析了变频调速水泵的能耗，对如何合理应用变频调速水泵进行了探讨。
- An idea of design is provided for asynchronous m otor of variable frequency variable speed in this paper mainly. 本文主要为变频调速异步电动机的设计提供一条思路。
- Then the parameterand implement frame of variable frequency test system are dis cussed. 对变频试验系统的参数和实际组件进行了讨论。
- A new improved discrete variable voltage variable frequency equivalent sinusoidal control method is presented. 一种新的离散变压变频等效正弦控制方法被提出。
- In this paper, a randomization sampling system with AC variable frequency technology, based on IP was introduced. 介绍一种以工控机为核心,利用交流变频调速技术实现的随机取样系统。
- To achieve the basic waveforms (sine, square, etc.) display, a variable frequency and amplitude control. 能够实现基本波形（正弦，方波等）的显示功能，有频率和幅度变量的控制。
- In this paper the ultrafine of attapulgite from Xuyi was studied by variable frequency planet-type grinding mill. 以盱眙产优质凹凸棒石粘土为研究对象,用变频式行星球磨机对其进行超细粉碎。
- The VRV air-conditioning system of variable frequency technology can achieve the effect of energy conservation. 然而，封包的排程方法与睡眠模式的运作方式 对于行动站台的能源消耗会产生很大的影响。
- The frequency inverters has a function of variable voltage and variable frequency . 频率逆变器具有变压、变频功能。
- A twist wire connected with multicircuit or variable frequency circuit board is winded on the industrial pipeline. 远处有多匝与变频电路板连接的螺旋状电线缠绕在工业管道上。
- Coil car motor for Uncoiler equipment is requested to use AC variable frequency control. 开卷机上卷小车行走电机采用交流变频调速控制。
- The deer was peppered with shot all down one side. 那只死鹿的半边身子都被子弹击中。
- In order to reduce energy consumption in air conditioning system, VRV of variable frequency technology is used in air conditioning. 为了降低空调系统的能耗,用变频技术空调中的变冷媒流量系统(VRV)能达到节能效果;
- The ship kept the buoy on her off side. 这条船在浮标的左边。
