When talking about the period when the teacher - training system tries to follow the american model the author expounds the change from a close model to an open one and the measures taken to safeguard the system , including : a series of americanizing measures during american occupation period , for example : an open system for teacher - training , teacher ' s certificate system , the promulgation of a public servant special law on system education etc . the author also summarizes the merits and defects of the open teacher - training system and points out the reasons why defects produce 美国化时期教师教育阐述了定向型向开放型师资培养体制的转变，以及为了更好的维护新体制而采取的措施，包括以下几方面：在美军占领下所实施的一系列美国化政策，如实行开放型教师培养、确立教员许可证制度、颁布《教育公务员特例法》等，并总结了开放型师资培养体制的优缺点，同时剖析了缺点产生的原因。
