您要查找的是不是：
- DBS Series Digital Variable Frequency Electrical Drilling Rig DBS系列数控变频电动钻机
- Design of Digital Variable Frequency Soft-Starting Control Systems Based on DSP DSP数字变频软起动控制系统
- The digital variable frequency sspeed regulation system based on DSP 基于DSP的全数字交流调速系统
- Application of sampling frequency transform in digital variable frequency 抽样频率转换在数字下变频中的应用
- digital variable frequency 数字下变频
- VFO? Variable Frequency Oscillator? 可变频率振荡器，变频振荡器?
- A design for a digitalized variable optical attenuator[J]. 引用该论文 曹钟慧;邹勇卓;吴兴坤.
- 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。
- 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。
- The experimental and data collection system for the research on the working principle and energy cost characteristic of the DVM (Digital Variable Multi) system in summer is established. 本文建立了数码涡旋多联式空调系统夏季运行状况和能耗特性的实验测试和数据采集系统。
- 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。
- Acquisition of the power-off, phase missing Digital Variables : it is contained in the information acquisition of fuse alarm Digital Variables. 断相、错序开关量信息的采集：含在熔丝报警开关量信息的采集中。
- 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。
