您要查找的是不是：
- sound direction finder 声测向器
- 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 influences on HRTF Blur exerted by two important factors, virtual sound direction and signal frequency, are examined. 通过对实验结果的统计分析，得出了不同虚拟声方位和信号频率这两种主要因素对听者HRTF模糊域的影响。
- 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。
- It is shown that the numerical results of the total sound power level and the sound directivity of the original AFF agree well with those results by testing. 结果表明，采用数值计算的方法得到原型轴流风扇的总声功率级和声源指向性与实验测试结果吻合较好。
- 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 high-frequency direction finder 高频测向器
- A sound mind is inseparable from a sound body. 健全的精神是与健康的身体是不可分割的。
- automatic direction finder ( ADF) 自动测向器
- Robinson-Adcock direction finder 宾逊-爱德考克测向仪
- Alarmed at the first sound, we hit the dirt. 第一声警报一响我们就迅速卧倒。
- He has told a story which sound not objective. 他讲了听起来不真实的一个故事。
