With the ever increasing energy needs , how to effective and rational utilization energy source have already become a problem people stringency concerned 随着人们对能源需求的日益增加，如何高效、合理利用能源已成为人们迫切关心的问题。
It worries the whole world all the time that the limitless requirement of energy is in conflict with environmental pollution resulting from utilizing endlessly energy sources by human 人类对能源的需求与利用能源而造成环境污染之间的矛盾一直困绕着世界各国。
The first solar - energy building gives us an enlightenment that fully exert the advantages of regional resources and effectively use clear energies should be carried out 第一楼自给性清洁能源选择的重要启示就是要充分结合区域资源优势、高效利用能源尤其是清洁能源。
Energy is an important material basis on which human ’ s survival and production depends . the history of human society has a direct bearing on how human beings recognized and utilized energy 能源是人类赖以生存和进行生产的重要物质基础,人类社会发展的历史与人类认识和利用能源的历史密切相关。
Second , as a rapid growing economy , china ' s demand of energy will continue to rise , thus creating huge potential for industry reform , technological innovation and business niche for alternative energy 第二，中国经济在较长时间内仍将保持快速增长，对能源的需求仍然较大，这将推动产业界和科技界更加合理、科学地开发与利用能源。
The planning for electric power development shall reflect the principles of rational utilization of energy , coordinated development of the power sources and power networks , increasing economic benefits , and being conducive to environmental protection 电力发展规划，应当体现合理利用能源、电源与电网配套发展、提高经济效益和有利于环境保护的原则。
Currently , the energy ' s development and usage are facing the bigness pressure in the economy increase and the environmental protection , making use of the energy validly and reasonably has became the sustainable development ' s crux in our country 目前我国能源的开发利用面临着经济增长和环境保护的双重巨大压力，合理有效的利用能源已成为我国可持续发展的关键。
Starting from the intensely active area of research in mobile ad hoc networks , multiple access control ( mac ) protocols , performance comparison of routing protocols , cost - efficient qos routing protocol for mobile ad hoc networks and the issue about the optimal udp packet size are studied in this paper 本文从无线adhoc网络研究领域中的研究热点出发，分别研究了多址接入技术、不同路由协议的性能分析、高效利用能源的qos路由协议以及最佳udp分组长度问题。
The two sides also agree to share scientific and economic experience to take forward the china ' s and uk ' s efforts to achieve a low carbon economy and sustainable development , and to accelerate and develop the global market for climate friendly technologies , including through the renewable energy and energy efficiency partnership 双方同意分享科学和经济方面的经验，以利于双方共同努力实现低碳经济和可持续发展，通过“可再生能源和有效利用能源伙伴关系”等，加速开发对气候有益技术的全球市场。
It has been extensively applied to many fields such as national defense , industrial and agricultural production , energy technology , chemical engineering and thermal economics . it has important theoretical significance for ones to open up new energies , develop new technologies , utilize energies efficiently , improve ecological environments , protect natural resources and exploit cross - subjects 它在国防、工农业生产、能源技术、化工、热经济学等方面都有广泛的应用，对开发新能源、发展新技术、高效利用能源、改善生态环境、保护自然资源、开拓交叉学科等都具有重要的理论意义。
