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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.

# 使用装饰器模式组合存储（同时写入DB和CSV）

，更多细节参见搜狗输入法2026

Go to worldnews。51吃瓜对此有专业解读

free(bucketArr);