Through the push over analysis of two tall concrete buildings with different structure types the influence of second order effect on top drift and base overturning moment had been discussed in detail.

对两栋不同结构体系的高层混凝土建筑进行了推覆分析，详细讨论了二阶效应对结构顶点侧移和基底倾覆力矩的影响。

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This is because the top of the troposphere is normally very cold, causing ascending water vapour to freeze into ice crystals that drift and fall, rather than continuing up into the stratosphere.

这是因为对流层的顶端通常极其寒冷，上升的水蒸汽凝结成飘落而下的冰晶，而没有继续上升进入平流层。

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From here, you can make out an awesome cylindrical tower - with the right car, it's possible to drift all the way to the top of this tower and back again.

从这里，你能看到一座令人惊叹不已的圆柱形摩天大楼——开着画面右边的这辆车，你可以从底楼一直漂到楼顶再返回。

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When I sit out in the pasture, Lulu is usually the first to drift up behind me and rest her chin on the top of my head, waiting for her nose to be scratched.

NPR: Excerpt: 'Dog Days'