secondary origin
... secondary order fault 次级断层 secondary origin 次生成因 secondary orogeny 次生造山运动 ...
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次生成因模式 alternative genetic model
次生生物成因气 Secondary Biogenic Gas
·2,447,543篇论文数据，部分数据来源于NoteExpress
作者通过对豫西晚古生代煤中微粒体的研究提出了各向异性微粒体，对其次生成因提供了佐证。
The authors suggest that there is a kind of anisotropic micrinite existing in the Late Paleozoic coal seams of western Henan coal field, and the evidences of its secondary origin are provided.
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