美国宣布介入朝鲜战争和封锁台湾海峡导致中国领导人根本改变了对东亚地区安全形势的判断。朝鲜战争爆发前,中国领导人的主要精力集中于国内事务,中国军队的主要任务主要抓紧进军西藏和 The announcement by the United States of the intervention in the Korean war and the blockade of the Taiwan Strait has led Chinese leaders to fundamentally change their judgment on the security situation in East Asia. Prior to the outbreak of the Korean War, the main focus of the Chinese leaders focused on domestic affairs. The main task of the Chinese army was mainly to enter Tibet and