若将神东矿区顶板结构的稳定性分析建立在“静态”关系基础上，这与其工程实践有较大出入。
Provided that, roof structure 's stability analysis of ShenDong Mining Field is built on the static relation, there will be much different from the engineer practice.
顶板厚砂土层采动变形破坏规律是建立顶板动态结构理论的基础。
The mining deformation damage law of thick sandy soil over roof is the basis of setting up the dynamic structure theory of roof.
成煤环境奠定了煤中硫的分布基础，而顶板环境则是促使煤富硫、高硫的重要因素。
The coal forming environment has laid a foundation of sulfur occurrence in coal, while roof depositional environment is important and key link to make coal with high sulfur.
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