This technique takes advantage of the fact that sound travels faster through the salt than the surrounding soft sediments, such as in the US Gulf Coast.
这种技术利用了这样一个事实：声波在盐岩层中传播要比在周围的软沉积物中传播得快，例如在美国的墨西哥湾岸区。
This essay, basis on ballast water management experience on a voyage from Europe to US Gulf, inquire into some key points on ballast water exchange and report on vessel bound for USA.
此文以一次由西欧至美湾的压载水管理实例探讨了往美国船舶压载水更换和申报的一些要点。
BP has already spent close to four billion dollars on clean-up costs and compensation claims and has promised to set up a 20-billion-dollar fund to pay victims of the disaster along the US Gulf Coast.
英国石油公司已经花费了近四十亿美元用于清扫工作的花费和索赔工作并承诺将设立200亿美元的基金来赔偿美国海湾沿岸灾难的受害者。
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