| 1. | After entering 1980s , the school age population decreased because of the family planning . as the economy developed unbalanced , the population in the country began to move into the city , which speeded up the urbanization in yanbian
三、进入80年代，教育适龄人口由于计划生育的实施而减少，随着各地区经济发展的不平衡，出现了农村人口向城市一、镇移动，加快了延边的城市化进程。 |
