The system, designed in Devon by a company called Fishtek Marine, was tested by Swansea University in the Severn Estuary.
Nearly £50m of taxpayers' money has been paid by the NHS to an outsourced firm assessing claims of medical harm caused by vaccines, the BBC has found.
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持续做好“土特产”这篇大文章，产业兴、农民富、乡村美的动人画卷必将在广袤田野不断铺展。
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