您要查找的是不是：
- terrestrial satellite service 卫星地面业务
- If you subscribe to a cable or satellite service, your subscription might not include the channel you're trying to access. 您的电视服务订阅可能未包括该频道。
- It was established on the basis of the former Directorate General of Telecommunications after its paging,mobile and satellite service had been spun off. 中国电信集团公司是将寻呼、移动、卫星等业务分离出去之后，在原中国电信基础上新组建的国有重要骨干企业。
- earth resource terrestrial satellite 地球资源卫星
- Framing structure, channel coding and modulation for 11/12 GHz satellite services. 英文标题： Digital broadcasting systems for television; sound and data services.
- LMSS Land Mobile Satellite Service 地面移动卫星服务
- Aeronautical radio navigation satellite service 卫星航空无线电导航业务
- RDSS Radio Determination Satellite Service 无线测定卫星业务
- DBS Direct Broadcasting Satellite Service 直播卫星业务
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- Mobile satellite services(MSS)networks are relayed via satellite between large fixed Earth stations and small mobile terminals fitted to a ship,an aircraft,or a vehicle. 移动卫星服务(MSS)网络通过卫星在大的地面固定电台和安装在船只飞机或是车辆上的小的移动终端之间转播.
- The typewriter is at your service. 这台打字机随便你使用。
- GMSS General Mobile Satellite Service 通用移动卫星服务
- meteorological satellite service 气象卫星业务
- earth exploration satellite service 地球探测卫星业务
- National Environmental Satellite Service 国家环境卫星局(前为NESC,美国国家航空航天局工程与安全中心)
- radio determination satellite service 无线电测定卫星业务
- Although they can swim, the polar bears are terrestrial animals. 北极熊虽然会游泳，但也是陆栖动物。
- A terrestrial globe is one that represents the earth. 地球仪是表现地球的器具。
- maritime mobile satellite service 海事移动卫星业务
