The overburden strata movement is a complicated time and space process.
覆 岩层的运动是一个复杂的时空过程。
Accurate prediction on the scope of strata movement is an important basis for mine design.
准确地预测岩层移动范围，是矿山设计的重要依据之一。
Accurate prediction on the scope of strata movement is an important basis for mine design.
准确地预测岩层移动范围，是矿山设计的重要依据之一。
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