The critical pinning force has a sudden increase in the crossover.

临界钉扎力在渡越区陡然增加。

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And channel flow II phase die away with the increase in pinning density.

随钉扎密度的增大而增大，我们发现通道流动II相慢慢消失。

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Bricks had fallen and then the roof caved in, pinning him under the debris.

砖块开始掉落，然后屋顶坍塌了，把他压在了碎片底下。

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Bricks had fallen and then the roof caved in, pinning him under the debris.

砖块开始掉落，然后屋顶坍塌了，把他压在了碎片底下。

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