As a beginner, I expected the arms and hands to flail around, knocking the blocks and cups around the room.
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Detecting e-bike battery fires, for example, is particularly difficult, since these can unfold suddenly. Some researchers are working on new ways of sensing smoke and fire, perhaps even more quickly than before. But, take note: any certified, working smoke alarm is better than nothing.
“这些其实都不是新话题，但都需要持续跟进、不断创新。水产养殖不能只算产量账，更要算生态账、安全账。”陈阳说，“怎么让行业在增产的同时不透支水域承载力？怎么从投入品源头把住安全质量关？这些既是技术问题，也关系到政策，需要提出更有针对性的建议。”