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- HF Radio: Weak or minor degradation of HF radio communication on sunlit side, occasional loss of radio contact. 在向光面的地球发生HF通讯断讯的机率较少;属于偶发性断讯.
- Fast Adaptive HF Radio Communication System 快速自适应高频无线电通信系统
- Radio communication has annihilated space. 无线电通讯已消除了空间的阻隔。
- HF radio communication 高频无线电通信
- 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。
- Referenced the MIL-STD-188-141B and MIL-STD-187-721C, we present the primary idea of HF radio networking. 本文在参考了美军MIL-STD-188-141B、MIL-STD-187-721C标准后，根据短波的特点提出了短波组网的初步构想，采用分层分布式的网络拓扑结构；
- 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。
- In another application, an ALE equipped HF radio may call into either station shown in the block diagram below and place a telephone call via the RTU-292 in the system. 在其他应用中,一个配备有ALE的HF电台可以呼叫以下框图内的任何一个基站,并可在系统内通过RTU-292拨打电话。
- 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。
- Phonetic Alphabet is used very often in phone radio communication. 字母解释法经常用于无线电联络。
- He was cut off from all but a scanty radio communication with his armies. 他同他的部队之间除了零星无线电联络以外，一切的联系都被切断了。
- Our radio communications have been intercepted by the enemy. 我方的无线通信被敌方窃听了。
- They underwent courses in radio communication,demolition,and sabotage. 他们接受了无线电通信、拆毁和破坏的课程。
- Reliability Analysis of HF Radio Networking 无线短波网可靠性分析
- On the Topology of HF Radio Packet Network 短波网络的拓扑性能分析
