直流的

Three paramter method for solving zero input response and zero state response of DC one order circuit is presented,and zero input response and zero state response resolved from full response are identificated and demonstrated.

提出应用三要素法求解直流一阶电路零输入响应和零状态响应的方法，并对从完全响应中分解零输入响应和零状态响应进行了辨析、论证，同时指出：应用三要素法进行零输入响应和零状态响应的分解，必须服从基本定

And Michelle Anderson, DC collected data on 30 patients in 2 days on a new biomechanical assessment project.

和米歇尔安德森，直流收集项目的新的生物力学评估数据30例在2天1。

Brushless DC motor has been widely used in robot, home appliance and aerospace because of its special advantages.

无刷直流电动机以其独特的优点在机器人、家电及航空航天等领域获得了广泛的应用。

In this paper, the configuration and the basic work principle of brushless DC motor are analyzed and its scientific mathematical model is established.

本文分析了永磁无刷直流电动机的结构及基本工作原理，建立了较为科学的数学模型。

It is valuable research to design high temperature brushless dc motor drive and control circuit for oil well detecting.

设计适应油井高温环境的无刷直流电动机驱动电路是一项重要的研究课题。

This paper presents bushless DC motor servocontrol system based on DSP,then makes a brief about control strategy and design scheme of software and hardware that realizes this control system.

介绍了一种基于DSP的无刷直流电机伺服控制系统，简述了实现该控制系统的软件和硬件设计方案及控制策略。

A precise moving FEM analysis model is presented, in which the cogging effect and commutation are included in performance calculation.

建立了合理的永磁直流电动机动态有限元分析模型，该模型中考虑了齿槽效应和绕组换向对电机性能的影响。

Two motors were analyzed and optimized with the above method and the results show that the cogging torque can be reduced notably.

本文对每极槽数为整数和分数的两台无刷直流电动机分别进行了解析分析和优化，结果表明，该文的优化方法可显著削弱齿槽转矩。

Research purposes: The introduction is given in this paper to the surge lightning protections for metro,and the research and test are done on the electrical,mechanical and disconnect operational properties of the gapless and polymer housing zinc-oxide surge arrester with disconnector.

研究目的：介绍地铁和高架轻轨线路防雷特点，并对设计、研制出的直流复合外套无间隙氧化锌避雷器进行电气、机械和脱离装置动作等性能的试验研究。

Based on the theory of associated and decentralized control, this paper introduces the modeling method of AC/DC power system and control law deriving, which can be realized dispersedly and guarantee the stability of the system with optimal performance.

摘要介绍了交直流电力系统关联测量分散励磁控制的建模方法和控制规律的求取，所得控制规律既可以分散实现，又能保证全局稳定且性能最优。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。