zonation

The characteristics of small faults are coarctation and zonation with clear direction.

小斷層具有密集成帶的特點,且方向性明顯,成為影響煤礦生產的主要地質因素.

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Morphology and cytohistological zonation appeared different between cone apex and the vegetative shoot apex.

雌球果原基與營養莖端在外部形態及內部細胞組織學分區結構有明顯差異.

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Both weathering crust zonation and quality classification of rock mass are important for shallow - buried tunnels.

風化殼分帶和巖體質量分級對淺埋隧道設計和施工很重要,需對這兩套系統定性和定量指標做平行判別.

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