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Immunization policy strives to promote vaccination coverage in population-wide social network of community by encouraging vaccination for a group of vulnerable population and accelerating health awareness diffusion in the personal networks of vaccinators. In order to determine the relative prognostic importance of the various factors predisposing to vaccination decision-making of individual and analyze...
Based on the continuous model, the paper established a discrete model, which is good at showing the impact of environmental protection investment to economic and environment simply. There are three response strategies in the paper: complete elastic response strategy of environmental protection investment, directional elastic response strategy of environmental protection investment and minimum maintain...
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