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中国科教院老科教家科普演讲团智力帮扶凉山宣讲行动（第两期）启动

人参与 | 时间：2025-05-17 14:14:30

11月6日，中国智力用科普讲好中国式今世化故事——中国科教院老科教家科普演讲团智力帮扶凉山宣讲行动（第两期）启动仪式正在冕宁县妨碍。科教科教

院老

院老

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