Inclusion criteria: ① those about the measurement of VF;

Despite years of intensive research, the mechanism of VF remains poorly understood.

近百年来，虽然人们对室颤进行了不断的研究，但是有关室颤的确切机制仍然没有定论。

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New scheme of port network-cased VF speed regulation system

基于端口网络理论的变压变频调速新方案

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Basic on this, uses VF to design and operate the honesty-credit evaluation management information system.

在此基础上，利用VF语言设计了高校大学生诚信评价管理信息系统，并进行了系统运行。

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The Territory Controls in the VF Report Manufacture Application

域控件在VF报表制作中的应用

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Based on the characteristics and purpose of the two-stage mobile units two different VF algorithm were designed.

依据两阶段移动单位的特点与目的分别为两阶段部署设计了不同的虚拟力算法公式。

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Now a suitable electric field is imposed and a fresh value Vf is found.

现在加上一个适当的电场，并求得一个新的速度值Vf。

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The Fuzzy VF SR Constant Pressure Water Feeding System Based on SIMATIC S7-200

基于simatic S7-200的模糊变频调速恒压供水系统

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Practice and Exploration of the Reform of Database ( VF) Course in Higher Vocational Colleges

高职数据库（VF）课程改革的实践与探索

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Multilevel Dynamic Searching Form's Programming Principle in VF

在VF中开发多级动态查询表单的编程原理

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The system is composed of microwave section, VF circuit, and data acquisition section.

该系统由微波部分、视频电路及数据采集部分构成。

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VF Corporation is one of the world ´ s largest apparel companies.

VF集团是全球最大的服装类公司之一。

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The Application Research on Virtual Instrumentation Technology in AC VF Asynchronous Electric Dynamometer

虚拟仪器技术在交流变频异步电力测功机中的应用研究

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Chinese Character Flight Design in Screen by VF

用VF在屏幕上实现汉字飞行设计

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Design and Complementation of Railway Transportation VF Monitoring System

浅谈铁路运输视频监控的设计与实现

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As is well know, VF is one of the primary factors inducing death.

哪一个是最主要因素，导致您与现时使用的互联网供应商不再续约？

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Study on Anti-interference Technique in the VF Controlling Software

变频系统测控软件抗干扰研究

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VF algorithm and its application in substructure matching of chemical molecules

VF算法在化学结构检索中的应用

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Two kinds of modes PID control system of VF SR With constant pressure water supply

两种模式PID控制变频调速恒压供水系统

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Application of VF Technology in Medium Voltage Synchronous Motor

变频技术在中压同步电机中的应用

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The technical level and development trend of chinese AC VF drilling rigs

我国交流变频电动钻机的技术水平和发展趋势

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