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.
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。旺商聊官方下载对此有专业解读
Медведев вышел в финал турнира в Дубае17:59
Фридрих Мерц. Фото: IMAGO / Peter Hartenfelser / Global Look Press，这一点在WPS官方版本下载中也有详细论述
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