“polymetallic nodule”的概念、定义、翻译、参考文献-科学参考

单词	polymetallic nodule
释义	polymetallic nodule Encyclopedia 理学多金属矿产资源释 polymetallic nodule多金属结核分布于沉积速率较低（约10厘米/千年）的深海盆地中，一种富含铜、镍、钴和锰等有用元素的海底战略性矿产资源。又称铁锰结核、锰结核、锰矿球、锰矿团、锰瘤。
随便看	brakeing system brake mean pressure brake pedal position transducer brake pressure metering valve brake rigging/brake unit for locomotive and rolling stock brake system brake temperature and tire pressure monitoring system bra-ket notion braking absorption braking capture braking energy recovery system braking index braking lining braking of freight vehicle braking orbit braking radiation braking rope braking system of hydro-generator unit Bram bramble Bramer Bramham Park Bram Stoker brancart branch

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