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“量子通信持续保持国际领先，量子计算稳居国际第一方阵，量子精密测量的多个方向跃进了国际先进行列。”全国政协委员、九三学社中央副主席、中国科学院院士潘建伟历数“十四五”时期我国量子科技的重大突破：成功研制并发射国际上首颗量子微纳卫星；成功研制高精度的锶原子光晶格钟，能够做到运行300亿年的误差不超过一秒……
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The “Knocking on Wood” Wikipedia page mentions Roud’s conclusion, and this claim of a 19th century origin has circulated online as the final say on the matter. If you go back to the original, though, Roud’s proposal actually ends on an ambivalent note: “Before this theory [of 19th century origins] can be finally accepted, however, an examination of the history of European forms of this custom would be advisable.”。关于这个话题，PDF资料提供了深入分析
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01｜“会写报告”不等于“会做研究”：实现流程闭环才是能力