“hydrographic sonar”的概念、定义、翻译、参考文献-科学参考

单词	hydrographic sonar
释义	hydrographic sonar [`hī·drǝ`graf·ik `sō´när] ^ENGINEERING An echo sounder used in mapping ocean bottoms.
随便看	resonant circuit resonant coupling resonant detector resonant diaphragm resonant element resonant frequency resonant gate transistor resonant helix resonant iris resonant jet resonant line resonant-line oscillator resonant-line tuner resonant-mode power supply resonant Raman effect resonant reaction resonant-reed relay resonant resistance resonant scattering resonant voltage step-up resonant wavelength resonant window resonate resonating cavity resonator

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