黑龙江省双鸭山市是以煤矿业为主体经济的中小城市,城市中一半以上人口为矿区职工,由于矿区经营不景气,经常开不出工资,成为黑龙江省经济欠发达地区。据１９９８年末双鸭山市统计,全年市区人均可支配的现金收入为３０３７元,农村人均可支配收入２４７７元,人民生活水平明显低于 Shuangyashan City, Heilongjiang Province, is a small and medium-sized city that takes coal mining as its main economy. More than half of its population is urban workers. Due to the sluggish operation of the mining area, it often can not afford wages and become economically underdeveloped areas in Heilongjiang Province. According to the statistics of Shuangyashan City at the end of 1998, the per capita disposable cash income in the urban area was 3,037 yuan per year and the per capita disposable income in rural areas was 2,477 yuan. People’s living standard was significantly lower than