The results really reflected the law of overlaying strata movement and fracture development.
真实地反映了在开采保护层过程中覆岩移动及裂隙发育规律.
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The range of strata movement is an important basis for underground engineering design.
预测岩层移动范围是地下工程设计的前提,其预测的可靠性与预测方法有关.
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