业务: vocational work; professiona ...特定: specially appointed; special ...汇聚: gather in one place; collect ...子: son层: I storey; tier; stratum业务特定会聚子层: sscs service specific convergence sublayer特定业务汇聚子层: service-specific convergence sublayer (sscs)特定业务会聚子层: sscs service specific convergence sublayer汇聚子层: convergence sublayer公共部分汇聚子层: common part conversion sublayer业务特定部分: service-specific part; ssservice specific part业务特定会聚协议: sscservice specific convergence protocol业务特定协调功能: service specific coordination function sscf; sscf合聚子层: cs:convergence sublayer会聚子层: convergence sublayer (cs); cs convergence sublayer适配层业务特定部分: service specific part-aal ssp-aal atm业务特定面向连接协议: sscop service specific connection oriented protocol; sscoservice specific connection oriented protocol公共部分会聚子层业务数据单元: cpcs-sdu cpcs-service data unit公共会聚子层: common part convergence sublayer会聚子层指示: csi convergence sublayer indication公共部分会聚子层: cpcs common part convergence sublayer物理层会聚子层: plcs physical layer convergence sublayer业务特征: service features sf业务汇聚: service convergence业务特征事例: sfi service feature instance