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Upper Permian is land facies fragments rock construction.
上统为陆相碎屑岩建造。
youdao
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A model of storm sedimentary facies for this area is established.
建立了该区的风暴沉积相模式。
youdao
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A model of storm sedimentary facies for this area is established.
建立了该区的风暴沉积相模式。
youdao