{"root":[{"id":6888639,"innercode":"311742000003000002000001","name":"1.《四国条约》"},{"id":6888646,"innercode":"311742000003000002000002","name":"2.列强的军备竞赛与《五国条约》"},{"id":6888653,"innercode":"311742000003000002000003","name":"3.中国问题与《九国公约》"},{"id":6888658,"innercode":"311742000003000002000004","name":"4.对华盛顿体系的认识"},{"id":6888662,"innercode":"311742000003000002000005","name":"5.对凡尔赛\u2014华盛顿体系建立的总结"}]}