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Through analyzing the existent methods for solving the intersection point coordinate of straight line and highway curve ,combined with the general mathematical model for highway curve ,a general solution model for the intersection point coordinate is given.

通过对现有的直线与线路曲线交点坐标解算方法的分析，结合线路曲线的统一数学模型，给出了直线与线路曲线交点坐标的统一解算模型。

By comparison with the influence of safety factors,nominal height, corner quantity, and geological condition on project cost for 110 kV steel tubular pole structures overhead transmission line, the paper gives the recommendation values of safety factors for conductor and ground line design.

中文摘要：通过对110kV钢管杆架空线路安全系数的不同取值、不同呼称高、线路经过的不同转角数量和不同地质条件对工程造价的影响进行分析比较，提出了线路设计导、地线安全系数的推荐值。

In order to study the function of line surge arrester at line lightning protection equivalent circuit of line surge operation had been built considering conditions of straight lightning strike on tower top and round strike to conductor .

为了研究线路避雷器在防雷中的作用，根据雷电直击杆塔顶部及绕击导线两种情况，建立线路避雷器动作时的等值电路，推导出考虑残压影响的线路避雷器对雷电流的分流计算公式。

According to road designing data of mileage,coordinate,azimuth angle of tangent or straight line,curve radius,the length of spiral line from main point of curve or straight line starting point,we can calculate the coordinates of center line points and boundary line point s in any form of road under the same coordinate system.

根据线路设计资料提供的曲线主点里程、坐标、切线方位角、曲线半径、缓和曲线长度的已知数据，计算出任意线形的中桩、边桩在线路统一坐标系中的坐标，利用全站仪极坐标放样程序，以线路附近的控制点或加密点为测站，准确、快速放样各点。

This paper introduces the test model and requirements of EHV line protection relay, and analyzes several study emphases of line protection device in detail. Scheme and method for these problems in developed new high voltage line protection DF3621 are presented.

本文介绍高压线路保护装置动模测试的模型及要求的同时，着重分析了当前高压线路保护装置研究的几个难点，并就此给出了我们在研制新一代高压线路保护产品DF3621中的处理策略和方法。

This method is applicable to overhead transmission lines with single-phase automatic reclosing.

该方法适用于装设单相自动重合闸的架空输电线路，利用现有的硬件设备，可以有效地削弱线路长度和参数变化对测距精度的影响，对于故障测距和线路保护均具有较重要的意义。

Public transportation line choice problem is the most important issue in query of public information. This paper gives the mathematical models and algorithms of optimal public transportation line choice according to the different request of the questers.

公交线路选择问题是城市公共交通信息查询的重要内容，本文建立了满足不同公交线路查询者需求的最优线路选择模型并给出了相应的算法。

To complete the 220 kV line design and below the total length of over 3,000 km (including re-ice line about 300 km), 220 kV substation and the total capacity of 1.2 million kVA which Wushan Chengguan 110 (35) kV substation project, Yue Fu Chi-Beach - Chengguan 110 kV lines and other projects designed by the application of the technology industry in Sichuan Hydropower 1998 Good Design Award. 1995 commitment to "small rural electrification in Sichuan Province typical design of the substation" assessment by experts. 2000 commitment to the "small rural power grids of the typical design of unmanned substation", the expert assessment by the province and issued.

完成的220kV及以下线路设计总长度3000多公里（其中重冰区线路约300公里），220kV及以下变电所总容量120万千伏安；其中巫山城关110（35）kV变电所工程、岳池富流滩—城关110kV线路等工程的技施设计获四川省水电行业1998年优秀设计奖。1995年承担&四川省农村电气化小型化变电站典型设计&专家评审通过。2000年承担的&农网小型化无人值班变电站典型设计&，专家评审通过并在全省发行。

It uses different colors mark track lines for different kind of website, like green line marks main sites, blue line marks Japanese sites.

它使用不同颜色的线路来标明不同类型的网站，如绿色线路标明的是主流网站，蓝色线路标明的是日本网站。

One, development carries line, enlarge gross operation route is the main component of assets of company of state-owned steam motion, a fine line is the fountainhead of the product of a fist of transportation enterprises, benefit.

一、发展运输线路，扩总量营运线路是国有汽运企业资产的重要组成部分，一条好的线路就是运输企业的一个拳头产品、效益的源泉。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。