联合控制服务单元 meaning in Chinese

acs association control service element

Information processing systems . open systems interconnection . service definition for the association control service element
信息处理系统.开放系统互连.联合控制服务单元的服务定义
Information processing systems . open systems interconnexion . protocol specification for the association control service element
信息处理系统.开放系统互连.联合控制服务单元的协议规范