您要查找的是不是：
- public radio communication service 公共无线通信业务
- international fixed public radio communication service 国际固定通用无线电通信业务
- Radio communication has annihilated space. 无线电通讯已消除了空间的阻隔。
- public radio communications service 公用无线电通信业务
- In radio communication, either short or long waves may be used. 无线电通讯可以采用短波也可以采用长波。
- We are in radio communication with the spacecraft. 我们通过无线电与太空船联系。
- Revised and improved Marine radio communication. 修正和改进陆战队的无线通讯系统。
- Shanghai Ruixun communication Service Co., Ltd. 上海瑞讯通讯服务有限公司。
- public radio communications services 公用无线电通信业务
- Many retirees volunteer in community service and day care centers. 许多退休人员在社区服务或育婴中心做义务工作
- radio communication service 无线电通信业务
- Everyone should invest some time in community service. 每个人都应该花些时间在社区服务上。
- radio communication service log 无线电通信业务日志
- The volunteers for community service are doing a good job. 社区服务的义工做得很出色。
- In radio communication,either short or long waves may be used. 无线电通讯可以采用短波也可以采用长波。
- Accessories like helmet lamps and radio communication. 附件有钢盔灯和无线电通信器。
- Shang Wan introduced the PAS radio communication system. 上湾煤矿引进PAS无线通讯系统。
- The Mayans had radio communication in the Stone Age. 玛雅人在石器时代已经拥有无线电通讯。
- Promote Amateur Radio Communication, enhance skills and technology. 推广业馀无线电通讯，提高操作技巧及技术水平。
- Would you use an online community service? 您使用网上社团提供的服务吗?
