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Considering the rapid growth of China's elderly rural population, establishing both an adequate and a financially sustainable rural pension system is a major challenge. Focusing on financial sustainability, this article defines this concept of financial sustainability before constructing sound actuarial models for China's rural pension system. Based on(More)
This communication deals with the key issues of a hybrid actuation system operating in active/no-load mode. The hybrid actuation system under study is made of a servo valve controlled hydraulic actuator (SHA) and an electro-mechanical actuator (EMA). In active/no-load mode, both actuators are actively controlled; the SHA is in position control while the EMA(More)
Work-related injury insurance system which consists of work-related injury prevention system, work-related injury compensation system, work-related injury rehabilitation system is a complex social and systematic project. Firstly, the paper analyses the relations among the three subsystems, then makes some basic hypotheses. Secondly, we set up differential(More)
Work-related injury insurance system which consists of work-related injury prevention system, work-related injury compensation system, work-related injury rehabilitation system is a complex social and systematic project. Firstly, the paper analyses the relations among the three subsystems, makes some basic hypotheses. Secondly, it sets up differential(More)
Quantitative analyses the development level for social security system. It is theoretical important for studying the sustainable development for social security systems. Based on the modern theory of social security systems combined with related mathematical methods, the paper firstly analyses the relations among the sub-indexes of development level for(More)
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