When direct current flows through a coil, a magnetic field will be built up round the coil.

I covered the taped up coil with a towel and fired.

我在录音了线圈着一条毛巾,并发射了.

Through upbuilding the math model, we can get the precise starting performance of PM motor with emulator.

通过建立数学模型，采用仿真的方法可以较准确获得永磁电机的启动性能。

with the socialist market economy mechanism upbuilding , the power industry must run in accordance with the market principle.

随着我国社会主义经济体制的建立，电力工业要面向市场，引进市场经济体制，已成为大势所趋。

D. 5-6 Century before the upbuilding of Islam, Arabia was influenced by two forces which were Byzantine Empire and Sasan Empire.

在伊斯兰教兴起之前的5世纪和6世纪，阿拉伯半岛主要存在着两股巨大的势力—拜占庭帝国和萨珊王朝。

This paper studies on the upbuilding of performance management system in state-owned enterprises in China.

本文以我国国有企业建立绩效管理体系问题为研究对象。

Upbuilding workpiece cartesian coordinates and tool setting technique in NC process

数控加工中工件坐标系的建立及其对刀技巧

Defining Property Right of Human Capital is the Precondition of Upbuilding Modern Property Rights System

明晰人力资本产权是建立现代产权制度的前提条件

It is in the sight of God that we have been speaking in Christ, and all for your upbuilding , beloved.

我们本是在基督里当神面前说话。亲爱的弟兄啊，一切的事都是为造就你们。

Problems and Countermeasures of Upbuilding Modern Enterprise System

建立现代企业制度的若干问题及对策

Object-oriented Database Upbuilding in Parallel Simulation of Weapon System

武器系统并行仿真中面向对象的数据库的建立

I told you once before that there were two times for making big money, one in the upbuilding of a country and the other in its destruction.

我曾经告诉过你，有两个时期是可以赚大钱的，一是在建设一个国家的时候，一是在一个国家被毁坏的时候。

Base on the basic theory of finite-element analysis, hypostatic modeling for four-side simple supporting plank was upbuilt with ANSYS software. Three-dimensions hypostatic model and plane model were present by simulating the strain distribution of four-side simple supporting plank with damage using finite-element analysis software.

介绍了有限元分析的理论基础，用ANSYS软件对四边简支板试件进行了实体建模，比较了三维实体模型和平面模型特点，并指出了采用平面模型进行建模的合理性；

Meanwhile, a method and an exploring process for constructing the initial complex form are also brought forward on the basis of characteristics of unit mesh node set and upbuilt mesh complex form method for discrete variable optimization design.

提出了根据单位网格结点集的特征构建初始复合形的方法和探索过程，建立了离散变量优化设计的网格复形法；

D geometric model had been upbuilt by applying computer aided design technique, which laid the good foundations for following prototype development.

应用计算机辅助设计技术建立了系统的3维几何模型，为后续样机试制工作的开展打下了良好的基础。

From the theory, the relation about machining cost and tolerance is derived. Considering rate of spoiled products influence, practical optimization model of cost-tolerance be upbuilt.

从理论上推导了加工成本与公差的关系，并考虑到废品率的影响，建立了实用的公差CT设计法优化模型。

On the basis of wavelet analysis a three-dimensional time-frequency pattern to characterize partial discharge ( PD) impulse signal is upbuilt which comprehensively shows three basic features of PD impulse signals: time component, frequency component and distribution of discharging energy.

根据小波理论建立了表征局部放电脉冲信号的三维时频谱图，该三维谱图综合反映了局放脉冲信号的3个基本特征：时间分量、频率分量和放电能量的分布。

Based on the mathematics definition expressions for the microhardness, the uncertainty of measurement for working benchmark device of digital microhardness upbuilt in our measurement station is evaluated.

基于显微硬度的数学定义公式，对建立的数显式显微硬度工作基准装置的测量不确定度进行了评定。

The three kinds of model, patch-corridor-matrix model, ring-patch and vertical heterogeneity model are upbuilt based on landscape of soil erosion in Hubei province.

根据湖北省土壤侵蚀景观结构的具体特点，建立了土壤加速侵蚀的斑-廊-基模型、土壤背景侵蚀的环-斑模型和综合性垂直分异3类土壤侵蚀景观信息结构模型。

Then, the simulation model of chatter for grating mechanical ruling is upbuilt by MATLAB/ Simulink, the influence of various kinetic parameters and ruling parameters on chatter is analyzed, the measures to suppress chatter is proposed.

然后，通过MATLAB/Simulink建立了光栅机械刻划颤振仿真模型，研究分析了各动力学参数及刻划工艺参数对颤振的影响规律，并提出了抑振措施。

By using the method of OMT, Object-Oriented Analysis ( OOA) model of the system is upbuilt through analyzing problem domain and system responsibility.

论文通过对STCAD系统进行问题域需求和系统责任的分析，采用OMT方法建立了系统的面向对象分析模型（OOA）。