“navigation sonar”的概念、定义、翻译、参考文献-科学参考

单词	navigation sonar
释义	navigation sonar Encyclopedia 工学导航声呐释 navigation sonar导航声呐利用水声信号在水下的传播特性，通过测量载体相对于参考物的距离、方位、速度等信息，经过解算从而获得载体的位置、速度等导航参数的水声设备。
随便看	self-decomposable distribution self-defeating self defocusing self-defocusing self-deicing pavement self-describing sequenc self-descriptive number self-design theory Self-destruction self-determination self-determination theory self-determined admission examination self-determinism theory self development self-diagnosis function self-diffraction self diffusion self-diffusion self diffusion coefficient self-diffusion coefficient self-directed search self-discharge Self-Discipline Convention of Chinese Press Self-discipline Initiative of China Mobile Media self-discipline of advertising industry

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