就是把电磁场给屏蔽了，用一片铝箔就可以。不过楼主那个钟不错，可以探测屋里的电磁场。 : )

来源: Shubin 于 2026-03-14 06:30:57 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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