long distance的例句大全

Experimental result shows that under condition of isothermal layer channel, long distance and low target speed, target pulse-pulse echo correlation coefficient is about 0.7, for a stable time of about 10 s.

实验结果表明：在等温层信道中，目标距离较远、目标相对速度较低的情况下，海上目标回波脉间相关系数在70%左右，至少在10s内时间中，可以保持较强的相干性；

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Technical Review and Development of Welding Technology for Oil and Gas Long Distance Pipeline

油气长输管线焊接技术回顾与发展

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A Discussion on Thermal Instability of Long Distance Heavy Oil Pipelines

稠油长输管道的热变稳定性探讨

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Technical Measures of Raising Belt Conveyor Efficiency for Long Distance Transport

提高长距离胶带输送机效率的技术措施

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To adopt welding procedure method commonly used in long distance transmission pipeline, analog field site condition to weld for pipe with SSCC resistance itself and carry out SSCC resistance test to girth weld jointer obtained to provide technical support for oil and gas construction.

采用目前长输管线常用的焊接工艺方法，对本身具有抗SSCC性能的钢管模拟野外现场条件进行焊接，将所得环焊缝接头进行抗SSCC性能试验，为油气管线的施工建设提供技术支持。

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Traditional ultrasonic nondestructive testing techniques are single position measurements, therefore, they tend to be too slow to make that long distance inspection is almost impossible.

传统无损超声检测技术是单点检测，因而，在检测长距离管道时，该方法遇到很大困难。

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Many long distance oil-Pipelines have come into the old period in our country.

我国的石油长输管线相当的一部分已经进入了老龄期。

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Design and Construction of Prestressed Floor in Guiyang Second Long distance Telecommunication Control Building

贵阳第二长途电信枢纽楼预应力楼盖设计与施工

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Error Analysis and Long Distance Test of Position Differential GPS Locating

位置差分GPS定位误差分析与远距离差分试验

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Optimum seeking of underground waterproof plan of Taiyuan secondary long distance telecommunication hinge building

某长途电信枢纽主楼地下防水方案优选

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Development of Failure Diagnosis Equipment for Long Distance Telecommunication Line

长途通信线路故障诊断装置

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This paper introduces an intelligent instrument for the failure diagnosis of long distance telecommunication line which uses MCS 51 single chip computer as a slave computer and PC as master computer.

本文介绍了由MCS-51单片机作为从机与PC主机构成的智能化长途通信线路故障诊断系统。

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It briefly describes the professional boundaries of local telephone, long distance transmission and long distance switching, and the course to set up a wired long distance call.

简述了本地电话、长途传输和长途交换专业所包括的范围和完成固定长途电话通信的过程；

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The system is applicable for telescopic belt conveyor with heavy load, long distance, large power and high speed, and has stability, reliability and high performance-price rate.

该系统适用于大运量、长距离、大功率、高速度的可伸缩带式输送机，稳定可靠，性价比高。

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It is impossible to send live television by direct transmission over a long distance because the earth is round.

由于地球是圆的，用长距离直接传送来发射直播电视信号是不可能的。

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Considering the outstanding characteristics of fiber gratings sensing with the speciality of petroleum industry, the applications in petroleum industry were discussed, as follow: strain and temperature measurement, logging technology, seismo-detecting and long distance oil-pipeline detecting.

结合光纤光栅传感技术的本质突出优势和石油工业特点，讨论了其在油气生产中温度和压力测量、测井技术、地震波检测、长距离石油管道监测等方面的应用。

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Application of long distance temperature measurement system on mass concrete temperature measurement

远程测温系统在大体积混凝土测温中的应用

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Temporary overvoltage is an important factor for the determination of insulation level in a long distance EHV or UHV transmission system.

确定超高压远距离输变电系统绝缘水平时，工频过电压起着重要的作用。

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Deep Foundation Pit Construction in Hangzhou Secondary Long distance Telecommunication Pivotal Building

杭州第二长途电信枢纽楼深基坑施工

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A power energy measurement and long distance meter-copy system is introduced according to the features of the temporary transformer station in oil field.

文章根据油田可移动临时变电所的特点，介绍了其电能计量远方抄表系统。

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