accessionn.到达;即位;加入
accession of sovereign王位的继承
accessional admittance附加导纳
accession to a request对某一请求的同意
accession to an estate继承产业
accession to the throne即位
accession to sovereignty成立主权国家
accession period of teeth牙龄阶段
accession of the filtrate滤液添加量
accession designation number登记编号
accessional nonreciprocal phase error附加非互易相位差