Endogenic rocks are not clastic.
内生岩石不是碎屑状的.
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The crack in the coal seam is divided into two kinds: endogenic crack and exogenous crack.
煤层中的裂隙分两种,即外生裂隙和内生裂隙.
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Starting from the present research situation, endogenic and exogenic and gold regional metallogeny have been discussed.
从研究现状出发, 对内生、外生、区域成矿加以探讨.
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"endogenic rocks are not clastic"