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.
扎扎实实，踏踏实实，言犹在耳，发人深省。
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精准帮扶，最终的落脚点在人。习近平总书记叮嘱：“脱贫致富终究要靠贫困群众用自己的辛勤劳动来实现。”
fact making CICS a very notable early real-time computing system), it was also a