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.
Deepak Kharel,BBC Eye Investigations。同城约会是该领域的重要参考
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В России ответили на имитирующие высадку на Украине учения НАТО18:04，详情可参考搜狗输入法2026
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