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新华网
15 分钟
新华每日电讯丨重庆大渡口:中小学校园刮起“科学旋风”
“看!我们的河道‘清道夫’开始工作了!”在重庆市大渡口区钰鑫小学创客展厅,红领巾讲解员用模型生动演示“新型保洁船”展项。随着投影亮起,保洁船上的纳米纤维传送带将水面漂浮垃圾精准吸入分拣舱,引来孩子们好奇的目光。
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