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Abstract -Under the constraints of integer bit allocation and the proportionality among the throughput of different users，a new subcarrier-power-integer bits allocation scheme is proposed to maximize the throughput of OFDMA systems，The performance of the
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摘要－针对OFDMA系统，在整数比特分配及用户吞吐量公平分配的约束下，提出使系统吞吐量达到最大的有效无线资源优化方案，算法的仿真结果表明本文方法的有效性。 |
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Abstract 2 of 12 Sustainability and infrastructure planning in South Africa: a Cape Town case study.
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南非的基础设施规划和可持续发展：海角市的案例研究。 |
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Abstract 6 of 12 The Ecological Footprint of cities and regions: comparing resource availability with resource demand.
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城市和社区的生态足迹：比较资源的效用和供给。 |
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Abstract 7 of 12 Planning with ecological footprints: a sympathetic critique of theory and practice.
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用生态足迹规划：一个富于同情心的（善意的）现实和理论批评。 |
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Abstract : Ever since '90s of the last century, along with the changes of transaction technological and the speedup of the international markets integration process and the push-up of the stock exchange reform from the non-mutual-assistance basis, the str
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摘要：上个世纪九十年代以来，随着交易技术的改变和国际市场一体化进程的加快，以及股票交易所非互助化改造的推动，传统的期货交易所组织形式开始从会员制向公司制改革。 |
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Abstract : It has been an indispensable part of the study on language learning strategies to analyze the errors made by foreign or second language learners.
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摘要：研究学习者在外语及第二语言学习过程中出现的错误是研究语言学习方法论的重要组成部分。 |
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Abstract : Liberalism is the fundamental ideology that lays the legitimate foundation for modern society and state.
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自由主义是现代社会的最基本的意识型态，它为现代社会及国家的正当性提供基础。 |
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Abstract : Longjiang Shipyard and Treasure Shipyard, according to the official files, were different factories with their respective site.
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提要：龙江船厂与宝船厂是两个厂，官方正式文书上，一称龙江提举司，一称南京海船厂，互不相统，各有厂址。 |
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Abstract : This essay discusses oral English teaching for non-English majors, analyzes the problems and factors that influence oral English teaching and learning, and tries to work out some effective strategies we can use in oral English practice.
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摘要：本文主要研究大学英语教学中的口语教学，通过分析口语教学中存在的问题及影响口语能力的因素，详细讨论了口语课堂的交际策略的培养，旨在提高学习者运用口语进行有效交际的能力。 |
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Abstract : With characteristics of high sensitivity, high specificity, rapid response，easy handling, low cost ,safety and reliability, immunoassay has become an important research method in modern life science, which will be a prospected method in food sa
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摘要：免疫分析技术具有特异性强、灵敏度高、方便快捷、检测成本低、安全可靠等优点，已成为现代生命科学的重要研究手段,在食品安全检测中有着良好的应用前景。 |
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Abstract : based on analyzing the planed scale，developing speed, management system and external environment of highway network, it is researched for the mechanism to construct the greatness in quantity and extent of toll road, irrationality of the network
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摘要：通过分析全国公路网规划的规模、建设计划、管理体制和外部环境因素，研究收费公路规模大、范围宽的形成机制，以及其中存在的路网结构问题、社会政治矛盾和不良社会经济运行效果，对我国公路网的规划建设和投资管理体制提出了改进建议。 |
