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����2002���˿ڱ䶯���������������˵�������ε���Ǽǵı�ʱ��Ϊ2002��11��1����ʱ��������������Ե��㣩Ϊԭ�����˷ֲ㡢���Ρ���Ⱥ�����ȸ��ʱ����ij�����������ȫ��18�������У���ȡ��98���֣��硢��������λ��219����ί���106����ί���е�1.7��������Ǽ���53740�ˣ�ռȫ�г�ס�˿�������0.53%�������ڳ�������ϲ����˲��ȱ����ķ��䷽������ˣ��ڽ��м�������ݻ���ʱ����һ���ı��������˼�Ȩ��������֮�������������������������أ��и�����ܱ��ķ������ݣ�����β���ϣ����г��룬��ӿ��ܲ������ܼƣ�������ʲ���Ӱ�졣���±�2��10��2��14Ϊ��ε�������������ݡ�
����Brief introduction for sample survey on population change in 2002: The reference time of survey was zero hour of November 1,2002,the principle of survey district was adopted in the sample survey. The sample survey was conducted with a multi-stage systematiccluster sampling scheme.A total of 53,740 people were selected as the sample from 17,000 households in 219 resident's committees &106 village committees in 98
streets(towns) of 18 districts(counties), its share in the total permanent population was 0.53percent. The weighed estimation procedure was adopted in the tabulation. Statistical discrepancies due to rounding existed in individualtables and didn't affect the ratio. From Table 2-10 to Table 2-14, data were obtained from the computer tabulation.
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