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老年贫困
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老年贫困
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老年社会问题
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old age poverty
老年贫困
老年人在物质生活和精神生活方面的基本需求无法得到满足的状态。狭义的老年贫困特指经济贫困,即老年人因为经济收入过低而无法维持最低生活水平。广义的老年贫困是老年人在经济、社会、文化、身体和精神等各方面存在困难的总称,包括缺乏必要的物质、服务和社会参与机会等。
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Chemical Thermodynamics
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Chemical Treatment Technology
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chemical vapor deposition technology
chemical vapor generation technique
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