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闭象是M_1的空间
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作者 李克典 《黄冈师范学院学报》 1992年第3期28-30,21,共4页
本文研究了具有σ-有限闭包保持基的空间的性质,证明了具有σ-有限闭包保持基空间的闭象是M_1空间。
关键词 有限闭包保持 σ-有限闭包保持基 闭和映射 M1空间 强M1空间
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关于闭象是M_1的空间的一些注记
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作者 李克典 《黄淮学刊(自然科学版)》 1992年第1期54-56,32,共4页
本文研究了具有σ-有限闭包保持基空问的性质,主要证明了具有σ-有限闭包保持基空间的闭象是 M_1空间,从而推广了文的结果.
关键词 有限闭包 保持基 闭映射 M1空间
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Exploration of Water and Soil Conservation's Function in Construction of Eco-environment 被引量:2
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作者 张丰良 冯兴平 《Agricultural Science & Technology》 CAS 2015年第7期1544-1551,共8页
Eco-environment lays foundation for human existence and development, and social and economy evolvement. Therefore, it is a fundamental principle to pro- tact and construct eco-environment and achieve sustainable devel... Eco-environment lays foundation for human existence and development, and social and economy evolvement. Therefore, it is a fundamental principle to pro- tact and construct eco-environment and achieve sustainable development. With ur- ban development, and destruction on natural environment, however, the issue of water and soil losses has become a serious problem, affecting people's life and production. The research, therefore, explored the role of water and soil conservation in ecological civilization construction, including bomprehensive treatment of water storage and sand reduction, improving agricultural structure and advancing rural econ- omy, relieving the conflict between supply and demand of water resources, improv- ing eco-environment in mountainous regions and accelerating eco-construction. 展开更多
关键词 Water and soil conservation ECO-ENVIRONMENT Fundamental national policy
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Study On The Sustainable Development Of The Endowment Insurance Fund In China
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作者 LIU Hongxia 《International English Education Research》 2016年第1期30-33,共4页
The sustainable development of the endowment insurance fund is the most basic fulcrum to the healthy development of the pension insurance system.The sustainable development of Chinese endowment insurance fund, we must... The sustainable development of the endowment insurance fund is the most basic fulcrum to the healthy development of the pension insurance system.The sustainable development of Chinese endowment insurance fund, we must adhere to the "wide coverage, basic, multi-level, The basic principle of sustainable ". In order to achieve the security of endowment insurance fund, sustainable development should be adopted .The countermeasures are: firstly, the implementation of sustainable legal raising mode; secondly, to determine the reasonable payment level, expanding .Large endowment insurance coverage;thirdly, to implement the State Administration by main market managementPrivate management and sustainable. 展开更多
关键词 the sustainable development the endowment insurance fund endowment insurance
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The obstacles and countermeasures of developing function of China's Unemployment insurance funds
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作者 Wang wanying 《International English Education Research》 2015年第5期72-74,共3页
The function of the unemployment insurance funds arc: ensuring the basic life and stabling employment, preventing unemployment and promoting employment, on the one hand, it guarantee basic livings of the unemploycd, ... The function of the unemployment insurance funds arc: ensuring the basic life and stabling employment, preventing unemployment and promoting employment, on the one hand, it guarantee basic livings of the unemploycd, in order to reduce the impact on the individual and society. On the other hand, it also has a function of stabling employment, preventing unemployment and promoting unemployed again obtain employment. In recent years, however, the unemployment insurance fund revenue has been greater than its expenditure, balance funds become more and more, it not only faces a risk of depreciation, also will cause the waste of funds. Therefore, improve the utilization rate of the uncmployment insurance fund itself and expand the function of the unemployment insurance fund, realize the sustainable development of unemployment insurance funds is great significance. 展开更多
关键词 unemployed insurance funds function expand OBSTACLE countermeasur
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Imroduction to the pension market
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作者 Zhang Ying 《International English Education Research》 2015年第6期57-59,共3页
Social security funds is a kind of special fund for social security undertakings which is based on the legislation ,Social security fund is the material basis for the existence and sustainable development in the socia... Social security funds is a kind of special fund for social security undertakings which is based on the legislation ,Social security fund is the material basis for the existence and sustainable development in the social security system .Consequently, It is one of the most important about the normal operation and management of the social security system that the operation of social security fund regulation and whether the value of social security funds can realize. In order to realize the value of social security fund, it is about to explore the reality and feasibility of the pension market, thus, maintain the social security fund security and realize the sustainability of social security funds, under the premise of the social security fund investment operation. 展开更多
关键词 Social Security fund Social Security funds devaluation population of aging.
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