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navigation sonar
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工学
导航声呐
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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。
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blotched snakehead
blotched spinefoot
blotting
Blotto game
blow and fill engineering
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blow-down pipe
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blower
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blower facilities of concentrators
blowhole
blowhole segregation
blowing and scutching machine
blowing-carding unit
blowing-down
blowing drug method
blowing glaze pot
blowing snow
blowing up
blowing-up
blowing-up algebra
blowing-up at a point
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