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Based on the externality theory, only when the social benefit from environmental regulation over the social cost, that means government regulation is more efficient than the market failure.
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摘要根据外部性理论，只有当实施环境管制政策的社会收益大于社会成本时，才意味著政府管制相对于市场缺失是更有效率的。 |
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Based on the facing situation in rural infrastructure construction after the reform of rural taxes and administrative charges, the chance and challange were analyzed; the achievement and problems existing before and after the reform were pointed out; the
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摘要针对农村税改后农业基础设施面临的新形势，详细分析了机遇和挑战；指出税改前后农村基础设施建设成果与存在问题；提出后税费改革时期农村基础设施建设的基本思路－落实科学发展观，坚持以人为本，改善农村交通、资讯、教育、能源、饮水、防洪和防灾减灾设施等；通过上述的分析，探讨了加快农村基础设施建设的对策建议，使基础设施建设投人与收益进人良性循环阶段。 |
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Based on the fact of driven gear moving prior to normal locality when driving gear pair moving from upper dead center to lower dead center, considering all influential elements, the maximum backlash of gear pair can be controlled to satisfy the special dr
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摘要根据换向传动齿轮副从上止点向下止点运动时被动齿轮运动超前的实际，从影响齿轮副侧隙的各种因素出发，在不提高齿轮副制造精度的前提下，通过拉制齿轮副公法线长度及其偏差从而有效地控制齿轮副的最大齿侧间隙，以满足传动的特殊要求。 |
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Based on the fact that government function is lacking in the development of China modern logistics, and combining the experiences of western governments, the essay suggests that development of modern logistics in China needs proper and effective intervent
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摘要在指出我国现代物流发展中存在政府职能缺失问题的基础上，结合西方国家政府干预现代物流发展的经验，提出了我国现代物流的发展在建立中国特色的物流管理体制；制定现代物流总体发展规划；营造有利于物流业发展的环境；发挥物流协会等中介组织的作用；推动我国物流业的信息化和标准化等方面需要政府适度有效的干预。 |
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Based on the fact that the scale of application software industry in Hebei Province is ralatively small, the authors pertinently studied the factors that restrict its development and put forward policies and measures to over come the restricts.
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摘要针对河北省应用软件产业规模较小的现实，有针对性地研究了制约我省应用软件产业发展的主要因素，并提出了克服这些因素的产业对策和措施。 |
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Based on the fast freeze-thaw test, the alkaline resistance test, the water immersion test, the wet thermal exposure test and artificial accelerated aging test, the influence of the corroding environment on the mechanical behavior of fiber reinforced poly
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摘要通过快速冻融试验、耐碱性试验、浸水试验、湿热暴露试验、人工加速老化试验，研究了腐蚀环境对纤维增强复合材料(FRP)的复合体及粘结剂力学性能的影响。 |
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Based on the fatigue test for flexural performance of reinforced concrete beam strengthened with aramid fiber reinforced plastic(AFRP), the effect of fiber layers on the fatigue test performance of the strengthened beam was analyzed according to the strai
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摘要通过芳纶纤维加固钢筋混凝土梁的疲劳试验，得到了钢筋的应变滞回曲线和加固构件的抗弯刚度随循环次数衰减的规律，探讨了芳纶纤维布层数对加固构件疲劳性能的影响。 |
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Based on the features of construction of rapid transit projects, this paper emphatically analyses the risk identification issue in the unprecedented process of rapid transit construction today, in Shanghai and the engineering practices.
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摘要从轨道交通工程建设施工的特点出发，结合上海市轨道交通设总体规划以及正在建设和拟建的工程实践，解析当前轨道交通发展过程中的风险识别。 |
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Based on the features of distribution network, the improved genetic simulated annealing algorithm is used in network reconfiguration.
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在考虑配电网自身特点的基础上，利用改进遗传模拟退火算法求解。 |
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Based on the features of production process and devices of Continuous production line, the technological process monitoring subsystem, real time data indication subsystem, error alarm subsystem, and data process subsystem are designed, and the specific fu
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根据乳化炸药连续化生产工艺及设备的特点，设计了工艺流程监视子系统，实时数据指示子系统，故障报警子系统，数据处理子系统，并简述各个子系统的具体功能。 |
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Based on the features of the electromechanical industry such as the various descriptions of materials,various equipments with complicated process and under high-speed operation and various linkages of producing the pollutants,this paper makes detail analy
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根据机电行业材料品种繁多,工艺装备复杂、高速运转设备多,工艺过程复杂、产污环节多的特点,详细分析了其污染物特别是多项危险废物的产生,可作为对机电行业建设项目进行环境影响评价时的重要参考。 |
