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- Radio communication has annihilated space. 无线电通讯已消除了空间的阻隔。
- 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。
- radio communication frequency 无线电通信频率
- 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。
- American engineer and inventor whose improvements to radio communication included the development of frequency modulation(1933). 阿姆斯壮，奈尔·奥尔登生于1930美国宇航员，他森身为阿波罗11号指挥官，成为第一个登上月球的人（1969年7月20日）
- 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。
- 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。
- 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。
- Our radio communications have been intercepted by the enemy. 我方的无线通信被敌方窃听了。
- This paper introduces the basic principle of the filter,expounds the structure of the spiral bandpass filter and the design method for the spiral bandpass filter based on the communication frequency,and proves this design method through testing. 介绍了滤波器的基本原理,叙述了螺旋滤波器的结构以及基于通信频段的螺旋滤波器设计方法,并通过实验验证了该设计方法。
- In radio communications, a frequency in a superheterodyne receiver or transmitter system that enables easier filtering, distribution, modulation, and demodulation of a signal. 在无线电通信技术中,超外差接收机或发送机系统中使用的一种频率,能够方便地对信号进行滤波、分配、调制和解调。
- The gigantic cloud of highly charged particles hurled from the sun posed a threat to high frequency radio communications, satellite navigation systems and television broadcasts. 携带强大电荷的巨型粒子云从太阳猛地扑向地球，对高频无线电通讯、卫星导航系统和电视广播都形成了威胁。
- In radio communications, a frequency in a superheterodyne receiver or transmitter system that enables easier filtering, distribution, modulation , and demodulation of a signal. 在无线电通信技术中,超外差接收机或发送机系统中使用的一种频率,能够方便地对信号进行滤波、分配、调制和解调。
- A two-way radio communication system (usually microwave),part of a more extensive telecommunication network. 一种双向的无线电通讯系统（通常是微波）,较广阔的长途通讯的一部分。
