“open well”的概念、定义、翻译、参考文献-科学参考

单词	open well
释义	open well [`ō·pǝn `wel] ^{CIVIL ENGINEERING} 1. A well whose diameter is great enough (1 meter or more) for a person to descend to the water level. 2. An artificial pond filling a large excavation in the zone of saturation up to the water table.
随便看	radio direction finder radio direction-finder station radio direction finding radio Doppler radio duct radio echo radio echo observation radioecology radioelectric meteorology radio element radio emission radio energy radio engineering radio facility chart radio facsimile system radio fadeout radio fan-marker beacon radio field intensity radio field-to-noise ratio radio fix radio fixing aid radio frequency radio-frequency alternator radio-frequency amplifier radio-frequency bandwidth

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