残疾人群体是社会中的特殊困难群体，其生活压力大、经济承受力低、抵御风险力弱。
Disabled group is a special disadvantaged groups in society, because they live in pressure, affordability is low in economic, and the ability of resisting risks is week.
人口环境经济学的研究成果告诉我们：在一定的生产力条件下，人口的增长应当与生态环境的承受力相适应。
Population, environment, economics research results tell us: the productivity of certain conditions, population growth and ecological environment should be the affordability of them.
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