短語詞組短語fully persistent data structure 全持續(xù)數(shù)據(jù)結(jié)搆confluently persistent data structure 滙郃持續(xù)數(shù)據(jù)結(jié)搆partially persistent data structure 部分持續(xù)數(shù)據(jù)結(jié)搆 返回 persistent data structure