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成矿时代为中元古代早期。
The mineralization epoch is the early period of mesoproterozoic era.
youdao
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应用裂变径迹法研究成矿时代是一新的尝试。
It is a new attempt to study mineralization age using fission track method.
youdao
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应用裂变径迹法研究成矿时代是一新的尝试。
It is a new attempt to study mineralization age using fission track method.
youdao