“ore deposit”的概念、定义、翻译、参考文献-科学参考

单词	ore deposit
释义	ore deposit [`ȯr di´päz·ǝt] ^GEOLOGY Rocks containing minerals of economic value in such amount that they can be profitably exploited.
随便看	direct-current tachometer direct-current telegraphy direct-current transducer direct-current transmission direct-current vacuum-tube voltmeter direct-current voltage direct-current working volts direct cycle direct-cycle reactor direct digital control direct distance dialing direct drive direct-drive approach direct-drive arm direct-drive vibration machine direct dye directed angle directed graph directed line directed number directed set direct effect direct electromotive force direct energy conversion direct-entry terminal

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