According to the existing theories on underwater explosion and based on the analysis of experimental results, the laws of foundation and structure vibrations are summarized.

借助已有的水下爆炸理论，分析试验结果，总结了地基及结构振动的规律，指出二次振动现象与水中爆炸产生的气泡脉动有关。

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The dynamic performance and stability of the offshore platform with bucket foundation vary with the underwater depth on raising and lowering.

桶形基础平台在下沉和上浮的过程中，动态性能以及稳定性都会随吃水深度的不同而发生变化。

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Finally, left-right integral method was adopted to identify the welding torch offset. Obtained quite high recognition accuracy, builted a foundation for underwater welding seam tracking.

采用左右区间积分进行焊缝偏差识别，取得较高的识别精度，为水下焊接焊缝跟踪奠定了基础。

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To build the foundation for these works, the Corps had to pour an 8-foot-thick concrete foundation underwater in the middle of one of the busiest shipping lanes in the world.

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