利用水下振动台研究了海底悬跨管线在地震作用下的动力反应。
Dynamic response for free spanning submarine pipelines due to earthquake was studied by use of an underwater shaking table.
沙波沙脊区海底管线悬跨的产生，主要是海底地形、沙波的移动和区域性冲沟的发育所造成的。
The seabed terrain, sand wave migration and the growth of regional erosion ditch create subsea pipeline suspended span.
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