working costs

• In the information - globalized days , the application of network database makes resource and data communications share to be realized , which is very significant for people to enhance work efficiency and economize work cost
  在信息全球化的今天，网络数据库的应用使得资源共享和数据通信得以实现，对于人们提高工作效率、节约劳动成本有着及其重要的意义。
• Being engaged in engineering inspect such as chemical industry , water supply and drain and civil engineering ( including organizations and plan of construction , quality , rate of progress and cost control , examining and approving the works cost and contract management )
  从事化工、给排水、一般工民建工程监理，包括施工组织及计划；质量、进度、费用控制；工程造价审核；合同管理。
• The principal axis of the distributing valve is in the form of double ways for high voltage oiling and double ways for sealing , which ensures fully supply for lubricating oil , greatly decrease in wear and tear , highly improvement in service life , few consumption of lubricating oil , saving of oil and reduction of work cost
  分配阀主轴采用高压双注油双道密封结构，保证了润滑油到位充足，用寿命大幅度提高，并且润滑油消耗量极少，节省油料，降低了运行成本。
• The management pattern has transferred from the pattern that oriented to equipments and networks , to the one that orients to customers . it has become much more important , that , how to make use of the network resource fully , how to provide the customers with the better services , how to cut down the management working cost and how to improve the ability to rival with the world
  电信运营商的经营模式已经从传统的“面向设备、面向网络”的经营模式逐步转变到“面向客户”的经营模式,如何充分地利用网络资源、提供质量更好的服务、降低运营成本,提高电信运营商的竞争能力成为现阶段电信运营商面对的主要问题。
• Aimed at the current problem of pipeline layout optimization technique , the research of irrigation pipeline layout and pipe diameter optimization has been done , the gis ( geography information system ) and graph theory were first put forwarded to applyed to the design of low pressure pipeline irrigation project in the paper . with the support of gis , the minimal spanning tree theory of graph theory and 120 project theory can be applied to irrigation pipeline ' s layout optimization . at the aspect of pipe diameter optimization , simplicial method and interior - point method are been used in solve liner optimization model of pipe diameter to reach minimum project cost or a nnual working cost of low pressure pipeline irrigation
  本文主要针对当前南方地区低压管道输水灌溉规划设计中存在的技术难点，开发研究先进实用的树状低压输水灌溉管网计算机辅助设计系统。首次提出了将gis (地理信息系统)和图论技术应用于低压管道输水灌溉规划设计及灌溉管网优化中，在gis支持环境下，应用图论中的最小生成树法和120规划进行管道的最优化布置。建立以管道输水灌溉系统的年折算费用最小为目标函数的管径优化线性规划模型，并将内点法应用于线性优化模型的求解。
• It has been reported that because of inadequate enrolment this year , nine primary schools have been ordered by the education and manpower bureau to stop taking in primary one students with effect from the coming school year . among them , eight schools have recently completed their school improvement programmes " sips " , involving a total works cost of 200 million
  据报，本年有9间小学因收生不足，被教育统筹局指令自下学年起停收小一学生，当中8间学校刚完成校舍改善工程，所涉工程开支共2亿元。
• In this paper i calculate the reasonable possession quantity of port handling machineries with chance - constrained linear programming . first in the paper is the background and meaning of this research ; then analysis present situation of port machinery management both in practice and theory ; in chapter 3 , i qualitatively discusses characters influencing machinery quantity , which include lifting ton , intact rate and using rate , age of machinery , machinery purchase and working cost and so on . in chapter 4 , i take the influencing characters to mathematic model of chance - constrained linear programming , aiming to maintain the need of production and reduce machinery cost
  文章首先介绍了选题的背景、意义以及主要工作；第2章介绍了港口机械管理在港口企业管理中的地位与作用，以及我国港口机械设备管理与配置现状，并简要介绍目前港机合理拥有量的理论研究方法；第3章从技术与经济角度定性分析了各种因素对港机拥有量的影响，其中主要包括机械起运量、完好率与利用率、机械设备役龄、购置与营运成本等；第4章将各种影响因素引入模犁，提出以完成生产任务、机械成本最低为目标，应用随机线性规划模型计算港口流动机械合理拥有量的方法；第5章以大连港大港区为例对模型进行应用，选择四种型号叉车为研究对象，对其历史经济与技术数据进行统计分析，其中重点对随机变量单位台时维修费用进行了正态分布拟合。
• Those communication methods used have advantages and disadvantages in those aspects , such as communication quality , adaptation condition , covering scope , geography environment , construction and working cost , real time quality , etc . in order to make the transport of hydrological information better , this dissertation introduced gsm communication methods in the hydrology telemetric system , using gprs cell - phone , by those mobile communication methods , such as gsm sms , gprs sms , gprs data service , circuit data service , tone channel , etc . this dissertation summarized the constitute of hydrology telemetric system , mobile communication methods , and compared them with those traditional methods
  现有的水情遥测通信方式有多种类型，它们在通信质量、适应条件、覆盖范围、地理环境、建设成本及运行费用、实时性等方面各有优缺点。为了更好地进行水情信息传输，本文提出一种基于gsm通信方式的水情遥测系统，通过使用gprs蜂窝电话，采用gsm短消息、 gprs短消息、 gprs数据业务、电路型数据业务和语音通道等多种移动通信方式，为水情数据的传输提供了新的解决途径。