排序方式: 共有29条查询结果,搜索用时 13 毫秒
1.
2.
3.
5.
《当代中国人口》2004,21(4):18-24
Social security is one of the most important socioeconomic systems for a country in modern times. To establish and improve a social security system corresponding to the level of economic development is a logical requirement for coordinated economic and social development. It is also an important guarantee for the social stability and the long-term political stability of a country. 相似文献
6.
7.
8.
9.
澳大利亚上世纪70年代末即进入老龄社会,65岁以上的老年人口已占总人口的13%。有人说"澳大利亚是儿童和老年人的天堂",我们来澳访问,耳濡目染,亲身体验,方觉此言不虚。 相似文献
10.