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我所于1985年9月对上海市区4‰的老龄人口状况和意愿进行了大规模的抽样调查,共调查了上海市区老龄人口6,715人,调查表回收率为99.57％,调查点取1985年6月30日24时。调查结果大体上可以看出当前上
In September 1985, we conducted a large-scale sample survey of the status and wishes of the elderly population in Shanghai. A total of 6,715 elderly people in Shanghai were surveyed. The questionnaire’s recovery rate was 99.57%. The survey point took 1985. At 24 o’clock on the 30th of June. The survey results can be seen in general