特种业务 meaning in English

special service
special trade

Special trade passenger ships agreement , london , 6 . 10 . 1971
1971年10月6日订于伦敦的《特种业务客船协定》
Technical requirements of routing and implementation for inter - network emergency call service
公用电信网间紧急特种业务呼叫的路由和技术实现要求
This paper discusses the process of digital information get from telephone in special telecommunication services processing system by taking the no . 285 check loss reporting system as an example
以“ 285支票电话挂失查询系统”为例，介绍了在电信特种业务处理系统中，前端工作站对于从电话上输入的数字信息的处理。
Abstract : this paper discusses the process of digital information get from telephone in special telecommunication services processing system by taking the no . 285 check loss reporting system as an example
文摘:以“ 285支票电话挂失查询系统”为例，介绍了在电信特种业务处理系统中，前端工作站对于从电话上输入的数字信息的处理。