This paper proposes the green view of city lighting planning , and points out that the energy conservation , environmental protection , economic feasibility and culture characteristic must be considered synthetically in the city green lighting planning and design to guarantee sustainable development of the city 指出只有综合考虑节能环保、经济可行性和文化特色的城市绿色照明规划设计才能保证城市的可持续发展。
Now china telecom is testing softswitch - based network equipment in four cities with a view to verifying the usability of the technology and the maturity of the equipment and developing a rational business model on the basis of an analysis of economic feasibility 目前中国电信正在进行4个试点城市的基于软交换的网络设备的试验，希望通过试验来验证技术的可用性、设备的成熟性，并在积极进行经济的可行性分析，制订合理的商业模型。
4 . the thesis established an economic opinion measure of expressway , includes direct economic benefits , indirect economic benefits and indeteminal analysis etc . analyses the economic feasibility of " one company one line " from the datas of a line in southwest of china 建立了高速公路的经济评价方法，包括直接经济效益、间接经济效益和不确定性分析等方面的测度，并以一条高速公路的实际情况为例，对“一路一公司”进行了经济可行性的实证分析。
The spatial condition and both the technical and economic feasibilities for the layout of the light - court for the auxiliary powerhouse under the condition of higher fluctuation of the flood level downstream is basically analyzed ; in which the principles of the layout and both the spatial dimension and configuration are discussed , and then a actual design case is given with the preliminary evaluation on the ventilating and lighting effect of the light - court 初步分析了下游洪水位变幅较大等环境条件下，贯流式水电站副厂房设置自然通风采光天井的空间条件及其技术性和经济性，讨论了天井布置原则和空间尺度与形态处理，给出设计实例并初步评价了天井通风采光的效果。
Chapter two ascertains main technological factor of dong gou lock reconstructing , including forecast the cargo and volume through the lock to reason about representative type of vessel designed for through the lock and its operation organize . chapter three design the renovate engineering through ascertaining the main technological factor scale of the lock , dimension , designed water level and altitude , including design of structure of the lock , lock chamber and lock gate , and select the main technological factor and pattern of headstock gear . chapter four draws a comprehensive compare of the two design scheme of the renovate project with engineering project economy evaluation method , and makes out the recommended scheme , and furthermore , to calculate the economic evaluation index of the recommended scheme and makes the economic sensitivity analysis of the scheme and finally demonstrate economic feasibility of the scheme 本论文共分四章：第一章主要介绍了原东沟船闸的地理位置和营运现状，说明了船闸在航道建设和水资源综合利用中的作用及东沟船闸改造的必要性；第二章东沟船闸改造的主要技术因素确定其中包括东沟船闸过闸货种和货运量发展的预测，并确定东沟船闸的设计代表船型及营运组织；第三章东沟船闸改造工程设计本章通过船闸改造工程主要技术参数：船闸规模、尺度、设计水位和高程等的确定，设计了二个船闸改造方案，包括钢筋混凝土整体坞式闸首结构、闸室和闸门的设计，并选定了启闭机的主要技术参数和型式；第四章采用了工程项目经济评估方法对东沟船闸改造工程二个设计方案进行全面综合比较后，确定了推荐方案。
By analyzing the basic data and methods of the maglev system in usa , including the economic research and the background , the estimate method of income and cost , the financial evaluation of the maglev system in different conditions , this paper introduces the economic feasibility of maglev system in usa , and holds that maglev shall be developed step by step in different regions , by taking the economic backgrounds and transportion of china into consideration 摘要通过介绍美国磁浮系统研究的有关基础数据和方法，包括研究背景、收入与成本的估算方法以及磁浮系统在单线和网络情况下的财务评价结论，对美国磁悬浮系统经济可行性研究进行了详细介绍。
This paper was written based on the research results about the evaluation study of the past people . the main analysis methods were quantitative analysis and qualitative analysis . it brought forward the target , the method and the principle of the synthetic evaluation study to the high - tech commodity from the macroscopic and microcosmic sides . it also established the evaluation index system and their calculating models from its market feasibility , technical feasibility and economic feasibility 本文在吸收前人的高新技术评价研究成果并弥补其不足的基础上，从微观和宏观两方面出发，采用定量分析和定性分析相结合的方法，提出了对高新技术商品进行综合评价研究的目标、方法及其原则，并且从高新技术商品的市场可行性、技术可行性、经济可行性三方面出发建立了评价指标体系及其测度模型，并进而对各指标进行了综合化处理并建立了综合评价模型，最后还对影响综合评价模型的各个因素进行了评价分析，并针对各个因素影响程度大小，提出了高新技术商品的投资策略。
The benefits ( static and dynamic ) and economic feasibility of the pumped storage power plant is being recognized all over the world . but in china , due to the unsuitability of organization of power industry to socialist market economy , there are many disagreed knowledge to pumped storage power plant so far 抽水蓄能电站是应电力工业产供销同时完成的特点而产生的一种特殊电源，随着电力工业的不断发展，它已成为电力系统调峰电源规划的一个重要组成部分，其在电力系统的效益及其经济性也逐渐为世界各国所公认。
Starting with resolving air - pollution in big cities in our country , this paper not only illuminates technical and economic feasibility of diesel - engine two - source heating ( air conditioning ) system , but also compares the advantages and disadvantages of several different heating ( air conditioning ) systems . then the potential of the diesel - engine two - source heating ( air conditioning ) system application is revealed 本文从解决我国大中城市的大气污染的问题入手，探讨了以天然气为燃料的双源供暖（空调）系统的技术经济可行性，并且比较了各种供暖（空调）系统的优劣，找出了内燃机双源供暖（空调）系统的应用潜力。
