The spines of sea urchins can generate a voltage when water moves around them — a phenomenon that could be used to design underwater flow sensors.
曾经依靠单一捕捞的澳角村，如今向海而兴，发展起海洋捕捞、海水养殖、海产品加工、海鲜电商和乡村旅游五大主导产业，碧海银滩变成了老百姓的“金山银山”。
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