This abandoned mine in Guyun Village in China exhausted the local deposit of heavy rare-earth elements in three years.
而在中国古云镇的这一废弃稀土矿,三年就已经挖光了所有资源。
The principal metal mineral resources in this area are tungsten, tin, niobium, tantalum, lead, zinc, antimony, mercury and heavy rare-earth elements.
本区金属矿产资源以钨、锡、铌、钽、铅、锋,锑、汞及重稀土为主。
Rare earth metals are often all found together, typically with far more light than heavy elements.
稀土元素通常是同时被发现的,一般来说轻稀土元素的数目远甚于重稀土元素。
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