It is necessary to have a division of major economic zones and second level economic zones in order to have a reasonable and national wide organization of division of labour in different production areas.
It is necessary to have a division of major economic zones and second level economic zones in order to have a reasonable and national wide organization of division of labour in different production areas.
摘要为了更合理地组织社会生产地域分工，因而有必要在全国範围内划分大经济区和二级经济区。