（三）及时向公安机关、网信部门报告重大威胁情报和程序样本。
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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在这些头部企业之外，中国还有数量更为庞大的科创主力军。
Also, “Before sending a video, picture, meme or any content, analyze if such material will be in the interest of the majority of the members of the group.”