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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。
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primitive cohomology
primitive cohomology class
primitive commune
primitive commune in Russia
primitive commune institution
Primitive Commune Ownership
primitive commune system
primitive complex symplectic manifold
primitive concept
primitive connective
primitive cosmic ray
Primitive Culture
primitive cycle
primitive differential form
primitive dispersion set
primitive divergent diagram
primitive divisor class
primitive element
primitive equation
primitive errors of process system
primitive extension
primitive field extension
primitive form
primitive formula
primitive frame
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