您要查找的是不是：
- fish noise direction finder 鱼噪声定位仪
- 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。
- 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。
- Jet Heater-Low Noise Direct Heating Equipment 喷射加热器-低噪音蒸汽直接加热设备
- Fish were surfacing to catch insects. 鱼浮到水面上捕捉昆虫。
- direction finder and radiobeacon 测向仪与指向标
- Study on Dual-Channel Doppler Direction Finder 双通道多普勒测向机研究
- A loud noise from the street diverted my attention. 街上一阵喧闹声转移了我的注意力。
- The noise awoke her from her revery. 这声音把我她从沉思中惊醒。
- That noise is driving me frantic. 那种噪音真要把我弄疯了。
- a high-frequency direction finder 高频测向器
- She was trying hard to disgorge a fish bone. 她拚命想把鱼刺吐出来。
- The thick walls deadened the noise from the street. 这道厚墙隔绝了街上的噪音。
