回声测深 [测] echo sounding ; acoustic sounding ; acoustical depth sounding ; echo depth sounding
噪声测量 [声] noise measurement ; bats survey ; Noise lever measurement
超声测厚仪 Ultrasonic thickness gauge ; audigage ; ultrasonic pachymeter
回声测定 echolocation
回声测深器 [测] echo sounder ; sonic echo sounder ; sonic echo depth finder
水声测量 underwater acoustic measurement ; underwater sound measurement ; acoustic survey
噪声测量仪 noise measuring instrument ; noise measuring meter ; psophometer ; noise measuring set
钟声测试 acoustics
噪声测井 bats log ; borehole audio tracer survey ; noise logging ; NL
回声测声仪 Behm lot
研究了基于时延估计的低空目标声测无源定位理论与算法。
The theory and algorithm for low altitude target localization based on time delay estimation (TDE) is studied.
声测管是灌注桩实行超声检测法时探头进到桩身外部的通道。
Acoustics detection ultrasound screening pile pipe is execute when the probe into the pile body external channel.
混凝土灌注桩用钢薄壁声测管是一种较新的声测管材，其连接方法目前没有统一的形式。
As a newly used material, steel thin-walled sonic-testing tubes used for the cast-in-situ piles have not a unified form of connecting.
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