“URB”是“Urbana Corporation”的缩写，意思是“乌尔班纳

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“URE”是“Ur-Energy Incorporated”的缩写，意思是“乌尔

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“URZ”是“Uranerz Energy Corporation”的缩写，意思是

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“UST”是“Utility Split Trust”的缩写，意思是“效用分割

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“UTC-C”是“Utility Corporation Class C”的缩写，意思

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“UTE”是“Canadian Utilities & Telecom Income Fund”

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“UUU”是“Uranium One Incorporated”的缩写，意思是“铀

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“UXE”是“United States Gold Canadian Acquisition

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“VAA”是“Vaaldiam Mining Incorporated”的缩写，意思是

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“VCM”是“Vecima Networks Incorporated”的缩写，意思是

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