Therefore, the key to the disaster prevention was to regulate the key blocks' rotary movement.

因此，控制关键块体的回转运动是防治压架的关键。

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There are many factors influencing the stability of key blocks when this theory is used in analyzing the stability of rocky slope.

用该理论来分析岩质边坡稳定性时，影响关键块体稳定性因素较多。

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The entry section shape and the reasonable design of inclined beam were determined according to the analysis of key blocks and the results of numerical simulation.

由关键块的分析和数值模拟结果，确定了综放沿空小断面留巷的断面形状，给出了斜梁的合理支护设计。

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And in Scratch did you probably see the key word "and" on one of the blocks.

在Scratch中，你们大概看到那个关键字,“and“在其中一个程序块中。

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