sounder
特殊用法acoustic sounder1.■回声探测器, 声波测深器adjustable sounder1.■可调发声器depth sounder1.■(回声)测深器double plate sounder1.■双板音响器echo sounder1.■回声测深器flying sounder1.■航行测深锤high-resolution infrared radiation sounder1.■高分辨力红外辐射探测器horizontal projection echo sounder1.■水平方向回声探测仪2.■鱼群探测仪ionospheric sounder1.■电离层探测仪navigational echo sounder1.■导航回声测深仪non-polarized sounder1.■无极音响器polarized sounder1.■极化音响器, 有极音响机recording echo sounder1.■记录式回声测深仪relaying sounder1.■继电器音响器repeating sounder1.■转发音响器skipper sounder1.■一种探鱼仪sonic echo sounder1.■回声探测器telegraph sounder1.■电报发声器, 响码器topside sounder1.■上层(电离层)探测器upward-looking echo sounder1.■上视回声探测仪
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