The former was identicle with the age of adjacent strata in North China stratigraphicarea, which was conductive to regional stratigraphic sub-division and correlation;
前者与华北地层区内相邻地层在年龄上衔接，有利于区域地层划分与对比；
The horizontal distance X between roadway and the edge of its upper pillar is an important parameter for roadway layout in floor strata and adjacent coal seams.
巷道与上部煤柱边缘之间的水平距离X，是底板岩巷和邻近煤层巷道布置的重要参数。
The Early Palaeozoic strata of the upper-Yangtze region are fully developed in Guizhou Province and its adjacent areas.
上扬子区下古生界在贵州及其邻区发育较为完整。
The strata, tectonics and geochemistry of volcanic rocks in the Early Cretaceous of the Fuxin-Yixian Basin and adjacent area in western Liaoning have some special features.
辽西阜新-义县盆地及其附近地区，其早白垩世的地层、构造和火山岩有明显的特殊性。
The strata adjacent to north of the dome were strongly deformed and this was benefit for the preservation of oil and gas.
近隆起带北侧的构造层变形强度不大，对油气的后期保存比较有利。
The strata adjacent to north of the dome were strongly deformed and this was benefit for the preservation of oil and gas.
近隆起带北侧的构造层变形强度不大，对油气的后期保存比较有利。
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