crater group 中文意思是什麼
crater group
解釋
火口群-
If so the single crater area will possibly exceed the 5000 square kilometers one, the currently publicly recognized meteorite crater group in south africa
假如此坑被證實,單坑面積將可能超過目前公認的世界上最大的南非隕石坑群區5000平方公里的總面積。 -
Studying the spreading circumstance of meteorite crater group, will be very economically valuable to the research of spreading rule and reasonable development of rare mineral water, special mineral
掌握隕石坑群的分佈狀況,對珍稀礦泉水、特種礦物等資源分佈規律的研究和合理開發也有著重大的經濟價值。
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