查询词典 optical cable

In 1938 a communication cable was laid across Cook Strait linking the north and south islands of New Zealand, this cable terminated close to where the Cable Station vineyard is now established.

这条电缆一直延伸到了接近凯堡酒庄葡萄园现在坐落的位置。

During the process of branching optical cable, the duct is opened for a piece of 10cm first, then cut the guided tube for branching, and connect the guided tube with new one, finally install Y-connector, through which the micro cable can be installed by air-blowing in.

在进行光缆分歧时，首先用切管刀将母管切开一段约10cm的口子，然后剪断要进行分歧的那根子管，并用连接头将剪断的子管和支线的子管连接，最后安装Y型连接器。完成上述工作后，即可向子管中吹入光缆。

The optical fiber transmission techniques have been applied to a wired television transmission network, and replacing the long—distance cable backbone, and application of the co-axial cable advantages as of the transmission medium has formed a concept of Hybrid Fiber Coaxof the branch and going to-some place by distribution.

光传输技术在有线电视传输网网络的应用，取代了长距离的电缆干线，而利用同轴电缆的优点作为支线及分配入户的传输媒质形成了HFC的概念，即光纤电缆混合网。

With the popularity and utilization of IEC61850 substation communication network and system standard, electronic transformer、digital protection and measurement device、intelligence switchgear are in use.Large number of cable connection between process layer and the bay layer will be replaced by serial optical cable, and it is a technology renovation of the substation automation.

随着变电站通信网络和系统的标准IEC61850的推广使用，电子式互感器、数字化继电保护和测控装置、智能断路器等数字化设备的逐步实用化，过程层和间隔层之间大量的电缆连接将被以太网的光纤通信代替，这是变电站自动化技术的变革。

Over the years, instrumentation, and wire and cable products market share among the best in the industry, has Qinshan, Yangzi Petrochemical, Yanshan Petrochemical, Jinshan petrochemical, Shengli Oilfield, Huaneng Power Plant, Nakagawa airport, the Yellow River Diversion Project, the Beijing-Kowloon Railway National key projects such as the provision of a large number of products and services, and export to Vietnam Xiefu Power Station, Thailand "PTA" power plants, refineries¤Mucius, Arak plant, chemical plant in Bangladesh, Indonesia, such as caustic soda plant abroad focus on engineering, optical fiber and cable products has made the State Administration of Radio, the General Staff Headquarters, Ministry of Information Industry and China Unicom's network post-qualification certificates and short-listed for the radio and television, railway, telecommunications, Unicom, military communications, Netcom, etc. and trunk level Extension to provide a large amount of network quality, but also for many users with network planning and design, installation and commissioning services.

多年以来，仪器仪表和电线电缆产品市场占有份额在同行业中名列前茅，曾为秦山核电、扬子石化、燕山石化、金山石化、胜利油田、华能电厂、中川机场、引黄工程、京九铁路等国家重点工程提供了大量的产品和服务，并出口至越南协福电站、泰国&PTA&电站、苏丹喀士穆炼油厂、伊朗阿拉克电厂、孟加拉国化工厂、印度尼西亚烧碱厂等国外重点工程，光纤光缆产品在取得了国家广电总局、总参谋部、信息产业部和中国联通的入网证书和入围资格后，为广电、铁道、电信、联通、军事通信、网通等一级干线和支线网络提供了大量的优质产品，同时还为诸多用户提供网络规划设计，安装调试等服务。

The traditional fiber optic cable line maintenance management pattern breakdown search difficulty, the platoon bonds the time to be long, affects the communications network the normal work, the economic loss which creates because of the correspondence optical cable breakdown is huge every year.

传统的光缆线路维护管理模式的故障查找困难，排障时间长，影响通信网的正常工作，每年因通信光缆故障而造成的经济损失巨大。

The company's main products: fiber optic connectors, adapters, attenuators, couplers and other passive components; fiber optic cable connector boxes,cable, fiber optic distribution frame, fiber optic wiring products such as the transfer box; Optical Power Meter and other communication equipment.

公司的主导产品：光纤连接器、适配器、衰减器、耦合器等无源器件；光缆接头盒、光缆终端盒、光纤配线架、光缆交接箱等配线产品；光功率计等通信仪器。

In terms of optical fiber and optical cable half of the market is occupied by China Japan and America.

但现在这种增长不仅是恢复性的，增长幅度也非常小。

Are: various types of optical fiber, optical cable, connectors and fiber optic sensing products and equipment.

主要有：各类光纤、光缆、连接器及光纤传感产品及设备。

The remaining length of optical fiber is controlled precisely to ensure prefect tensile strength and temperature characteristics of optical cable.

1·精确控制光纤的余长保证了光缆具有很好的抗拉性能和温度特性。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。