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- medium frequency direction finder station 中频测向站
- radio direction finder station 无线电测向台
- main direction finder station 主测向台
- I am calibrating radio direction finder or adjusting compasses. 我正在校准无线电测向仪或校正指南针.
- Inspection installation for loop antenna of direction finder on berth. 测向仪环状天线船台安装检查。
- A radio direction finder system is designed on the basis of the principle of Doppler Direction Finder technology. 在对多普勒无线电测向技术深入研究的基础上设计实现了一套无线电测向系统.
- The first section of this paper discusses the theory of the Doppler Radio Direction Finder technology. 本文首先分析了多普勒无线电测向技术的基本原理。
- In this case the fighters, typically Focke-Wulf Fw 190s, were equipped only with a direction finder and landing lights. 夜间战斗机的乘员多在两名或者是两名以上，除了共同分担作业压力，提高滞空时间，也可以更好的搜索目标。
- Function test and calibration self-heterodyne curve for direction finder on sea trial. 航行试验中测向仪效用试验及自差曲线校正。
- The phenomenon of reducing in the long direction took place maybe because of the Poisson effect.The phenomenon needs to be further studied. 纵向产生吸水尺寸缩小现象，可能是泊松效应，此现象有待进一步试验和分析。
- direction finder calibration station 测向仪校准电台
- ground station radio direction finder 地面无线电测向仪
- And the second section is the detail about the hardware of Doppler Direction Finder and the hardware and software of control circuit and display circuit in system. 接着描述了无线电自寻的系统中多普勒无线电测向仪的硬件构造,以及控制电路板、显示电路板的软件及硬件构造。
- He has designed more than 30 types of safety equipments, including a low cost earthquake alarm, an epicenter direction finder and an epicenter distance locator. 他已经设计了30多种安全装置，包括一个低成本的地震报警仪，一个震中方向确定议，以及一个震中距离确定仪。
- When your search party is within range of his signal, your directional finder will lead you right to him. 如果搜索队能进入讯号的范围，就可以运用导向装置找到他。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- You can keep my book as long as you like. 我的书你要借多久都随你的便。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- The beggar spun a long yarn about his misfortunes. 那个乞丐编造了一大篇自己如何遭遇不幸的故事。
- It's a long way to the railroad station. 到火车站路程很远。
