“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	boundary strip boundary strong reflection of hydrate boundary structure boundary surface boundary survey boundary temperature boundary term boundary testing boundary theory boundary tone boundary treaty boundary type boundary uniqueness boundary value boundary value analysis boundary value condition boundary value control boundary value problem boundary-value problem boundary value problem of analytic function boundary value problem of electromagnetic field boundary-value problem of electromagnetic field boundary value problem of the first kind boundary value problem of the second kind boundary value problem of the third kind

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