The economy of the times made it difficult to support centralized rule.当时的经济状况不利于实行集权统治。The requirements of cooperative and centralized systems make the acceptance of standards of vital importance.对合作化和集中化系统的要求使接受标准化变得非常...
The requirements of cooperative and centralized systems make the acceptance of standards of vital importance.对合作化和集中化系统的要求使接受标准化变得非常重要.The centralized management of ambulant clinic laboratory sheets is a necessary work f...