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Getting children to play together cooperatively depends less on their personal social skills and more on what they are doing – especially if they are not friends – a study shows.
2026-02-27 00:00:00:0本报记者 谢佳宁3014246910http://paper.people.com.cn/rmrb/pc/content/202602/27/content_30142469.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/27/content_30142469.html11921 墨西哥全力应对贩毒集团暴力骚乱
它们规模未必庞大，却共同构成中国自主游艇制造的产业底座：以研发为核心、以制造为根基，推动行业从“代工制造”走向“自主品牌”。