This paper construct measure system of road safety properties evaluation and corresponding method through three levels that are respectively point, line and area.
本文从点、线、面三个层次建立了道路交通安全性能评价的指标体系与相应的评价方法。
In this paper, we propose and discuss two new control methods for three phase shunt APFs: the sinusoidal line current control method and the instantaneous reactive power compensation control method.
本论文提出三相并联型有源滤波器的两种新的控制方法，即正弦波化控制和瞬时无功功率的控制方法。
The experiments , comparison and analysis for the three thickness measurement methods :two-beam diffraction method , contamination spot method and contamination line method were carried out.
前言：对用电子显微镜测量薄膜厚度的三种方法：双束衍射法、污斑法、污线法进行了实验及比较分析。
Three parts have been researched which are the switchover of data format, elliptic window line segment-clipping and the method for updating local topological relation.
空间数据处理内容广泛，本文选择空间数据处理领域的数据格式转换、椭圆窗口线段裁剪、拓扑关系局部更新方法作为研究的内容。
The characteristic line method is used to simulate the characteristics of the water conveyance system of the ship lock in the Three-Gorges Project.
利用等时段的特征线法数值模拟三峡永久船闸输水系统不补水工况下的输水特性，得出了输水管道沿程各节点水头及流量的变化规律。
This paper determines standard uncertainty for measurement of windage and friction loss of three-phase induction motor through fitting line of least square method.
本文用最小二乘法拟合的直线确定三相异步电动机风摩耗测量的标准不确定度。
The expression of line and level in three-dimensional space in computer is introduced respectively, laying the emphasis on the method of judging the position relation of line and level.
分别介绍了空间直线与平面在数学及计算机中的表示方法，重点强调空间直线和平面位置关系的判定方法，并介绍了这一方法的应用。
Based on wavelet transform, a novel on-line detection method is presented, which is based on the detection of symmetry degree among the stator three-phase line currents phases.
基于小波变换的分析方法，提出了基于定子三相电流之间相位对称度检测的定子绕组匝间短路故障在线检测新方法。
Theoretical calculations and experiments show that the "three-line" method combined with the approximate function is convenient and reliable, and the accuracy is higher.
理论计算和实验表明，“三线法”结合近似函数法在线形分析方面是简便、可靠的。
Gas decompression wave velocity during the pipeline fracture process was solved by the three-characteristic line method, and the corresponding computer program was developed.
应用三特征线法求解气体减压波速，并开发了相应的计算程序，分析了起始压力、起始温度、不同气体介质和管径对气体减压波速的影响。
By controling the three-dimensional motion of the X-Y table and bond head, precision positioning and desired line-type gold wires can be realized, and an ultrasonic wave bonded method is used.
工作原理是通过X-Y工作台和焊头的三维运动控制，定位并拉出设定的金丝线型，采用超声波热压球焊方法焊接芯片管脚。
For the multiphase flow measuring system on-line based on three dimension finite element method (3d FEM), the capacitance-based multiphase flow which is connected to the oil pipeline is a column.
基于三维有限元法的在线多相流测量系统，所接入输油管道的电容式多相流为圆柱形。
According to the accessing mode, there are three major methods: The first method is connecting the China mobile or Unicom short message center or short message gateway by internet or special line.
按照短信息接入方式，主要有三种方式：一是通过互联网或专线接入移动或联通运营商的短信息中心或短信息网关；
Criterion Analysis method, Minimal Volume of Used Stirrups method, Three-Line Segments method and the new method were compared and evaluated.
本文对规范分析法、最小体积用钢量法、三折线简化方法和折减混凝土项的方法进行对比分析和评价。
Secondly, Using MATLAB and HFSS to deeply research three types of analytical method for microstrip antenna which are transmission line method, cavity mode theory and finite-element method.
其次，结合MATLAB编程仿真和HFSS建模仿真，对微带天线的三种典型分析方法进行了深入研究，即传输线法、腔模理论和有限元法，为下面宽频带微带天线的设计奠定了理论依据。
By controling three-dimensional motion of the X-Y table and bond head, precision positioning and desired line-type gold wires can be realized, and an ultrasonic wave bonded method is used.
工作原理是通过X-Y工作台和焊头的三维运动控制，定位并拉出设定的金丝线型，采用超声波热压球焊方法焊接芯片管脚。
Then we propose a new method of reconstructing three-dimensional models from two-dimensional hidden-part-drawn line drawings.
提出了一种基于点与直线关系从正轴测画隐线图建立平面立体线框模型的新方法。
In 1986-1990 the leaf inoculation method was used in a diseased area or nursery to identify 3098 three line materials and rice hybrids.
1990年，采用病区病圃剪叶接种法，对杂交稻三系资源及组合3098份进行了鉴定。
Working state of a screw pump rod-line is analyzed using Finite element analysis method during broken working station, and three kinds of possible mechanical models are set up.
如何降低螺杆泵抽油杆的应力水平，提高工作寿命是石油开采设备研究中一个急需解决的力学问题。
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
The incremental method, differential equation method and integral equation method are three main methods in zero-sequence parameters on-line measurement of transmission lines with mutual inductance.
输电线路的零序参数尤其是多回互感线路的零序参数是电力系统继电保护整定计算需要的重要参数，所以其准确测量具有重要意义。
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