Ensure that these installations are installed , operated and maintained according to the ordinance , subsidiary regulations and codes of practice issued under the ordinance through a series of work certifications and maintenance of registers of qualified engineers and contractors to ensure their safety 透过签发证书及保存合资格工程师及承办商登记名册,确保有关设备的安装、操作及维修保养皆符合条例和附例的规定并遵行有关的实务守则,以策安全。
Cobranet audio network technology is the development trend of audio transmission and switching , as the pace of the broadcast digital and networked development is stepping . cobranet audio network technology transmits and distributes real - time and uncompressed digital audio signal . compared with analog , this technology not only transmits high quality audio , but also economize cost . now many broadcasting stations , gymnasiums and meeting places start to make use of this technology to build their network systems . in order to operate and maintain these networks , network managing software aiming at application will be needed Cobranet音频网络技术利用快速以太网传输和分配实时、非压缩的数字音频信号,在保证传输高质量的音频信号的同时,与传统的模拟方式传输音频信号相比,大大降低了电缆布线等成本。目前很多广播电台、体育中心以及大型会场都开始利用该技术组建自己的音频网络系统,而要运行和维护这个网络系统,需要开发专门基于cobranet技术的面向应用的网络管理软件。
The tsing ma control area ( tmca ) , a 17 - kilometre expressway network comprising tsing kwai highway , cheung tsing tunnel , cheung tsing highway , north - west tsing yi interchange , lantau link , ting kau bridge and part of north lantau highway , is operated and maintained by a private management contractor . tmca is equipped with extensive traffic control and surveillance system 青马管制区(管制区)包括全长17公里的快速公路网,由青葵公路、长青隧道、长青公路、西北青衣交汇处、青屿干线、汀九桥及部分北大屿山公路组成,由私营管理承办商负责营运和维修。管制区装设了大覆盖范围的交通管制及监察系统。
Oblique spiral crowd the thick liquid machine is used for making concentrating and washing to various kinds to various kinds of paper pulps of papermaking trade of thick of thick liquid mainld . especially it is suitable for dehydration concentrate of wasted paper pulp . with pairs of spira crowd thick liquid machine machine in series , it can reach the needed of treatment density of the hot dispersing , achine . it have the advantage such as heavy productivty , dehydrate effectual , save floor space , convenient operate and maintain 斜螺旋挤浆机主要用于制浆造纸行业对各种纸浆的浓缩和洗涤,尤其适用于废纸浆的脱水浓缩,与双螺旋挤浆机串联使用可以达到热分散机所需的处理浓度,具有生产力大、脱水效果好,节省占地面积,操作维修方便等优点。
With the advantages of high gain and output power , low noise , wide bandwidth as well as no relation with polarization , edfa changes the traditional optical - electrical - optical relay mode step by step in many fields , and becomes an indispensable device in modern optical communication systems . it saves the expensive cost in optical - electrical transition , makes equipment easy to operate and maintain 由于其本身具有高增益、高输出功率、低噪声、带宽宽、与偏振无关等优点,在很多领域和场合, edfa正逐步取代传统的光-电-光中继模式,省去光电/电光转换的昂贵成本,便于设备的运行维护,成为现代光纤通信系统中不可缺少的关键部件。
At present , it is difficult to set up ca ( certificate authority ) inside enterprises because of the following reasons : firstly , few pki products are designed for enterpirse application . secondly , most enterprises do not have professional employees who are skilled at operating and maintaining pki system . thirdly , most enterprises can not afford high cost which public ca paid for securing their ca server 目前,在企业内部建立ca ( certificateauthority ,证书认证中心)还存在困难,这主要包括:一是缺乏针对企业环境设计的pki产品,二是大部分企业不具备使用和维护pki系统的专业人员,三是公共ca为保障ca的安全性所付出的成本,是大部分企业无法承受的。
We can define bot in such a way : a host nation conclude and sign an agreement of concession in which the state confer the concession of investing , financing , operating and maintaining of a large infrastructure to investors . investors pay back the debt of the project and recover the investment by their income from operating 其基本含义是东道国政府与私人投资者签订特许协议,将某一大型基础设施的投资、融资、经营和维护等特许经营权授予私人投资者,投资者在协议规定的特许期内,通过经营所得偿还项目的债务和回收投资,特许期满后无偿的将该基础设施移交给东道国政府。
If we want to be able to swim in water that is clean and safe - if perhaps one day , when the harbour waterfront has been improved , if we want to be able to start the annual swim across the harbour again - every citizen must pay the charges needed to operate and maintain the sewerage infrastructure that is now being built 假如我们希望可以在洁净的海水中安全畅泳,又有一个美丽的海港,以至或许有一日,一年一度的渡海泳可恢复举行,市民必需愿意付出代价,承担正在兴建的污水收集设施日后运作维修所需的费用。
The tmca is operated and maintained by a private management contractor , and is equipped with an extensive traffic control and surveillance system . the system provides a high degree of automation to regulate traffic flows , to assist in dealing with incidents and to provide useful information to motorists 青马管制区由私营管理承办商营运和维修。管制区装有覆盖范围极广的交通管制监察系统,系统的运作高度自动化,功能包括管制交通流量、协助处理事故,以及向驾车人士提供有用的资讯。
The system resolves several questions : data dispersal of fire protection department , low efficiency and police work undeclared . the system has the characteristic of platform independence , open , extensibility , perfect interface and is easy to operate and maintain . so the system is worth popularzing and using 系统解决了目前消防部门存在的行业数据分散、工作效率低下以及警务不公开等问题,具有平台无关性、开放性、可扩展性、界面人性化、操作方便、便于维护等特点,是一项值得推广应用的成果。