“echo sounder”的概念、定义、翻译、参考文献-科学参考

单词	echo sounder
释义	echo sounder 回声测深器回声测深仪回声探测器回音测深仪
随便看	feedback regulator feedback relationship feedback report feedback repression feedback resistance feedback resistor feedback response feedback sawtooth generator feedback search feedback searching feedback shift register feedback signal feedback solution feedback stabilisation feedback stabilization feedback-stabilized amplifier feedback suppressor feedback susceptance feed back system feedback system feedback system automation feedback test feedback time feedback-time lag effects feedback to all levels

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