{"id":19002,"date":"2026-09-02T22:01:10","date_gmt":"2026-09-02T12:01:10","guid":{"rendered":"https:\/\/geoffreychen.com\/why-a-wet-finger-can-make-a-glass-sing\/"},"modified":"2026-09-02T22:01:10","modified_gmt":"2026-09-02T12:01:10","slug":"why-a-wet-finger-can-make-a-glass-sing","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/why-a-wet-finger-can-make-a-glass-sing\/","title":{"rendered":"\u6e7f\u624b\u6307\u4e3a\u4ec0\u4e48\u80fd\u8ba9\u73bb\u7483\u676f\u201c\u5531\u6b4c\u201d\uff1f"},"content":{"rendered":"<\/p>\n<p><img data-recalc-dims=\"1\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/public-assets.geoffreychen.com\/wordpress\/articles\/why-a-wet-finger-can-make-a-glass-sing\/c1addbfd97c985280743b17b.jpg?w=1140&#038;ssl=1\" alt=\"\u6e7f\u624b\u6307\u4e3a\u4ec0\u4e48\u80fd\u8ba9\u73bb\u7483\u676f\u201c\u5531\u6b4c\u201d\uff1f\" loading=\"lazy\"><\/p>\n<p>\u6e7f\u624b\u6307\u6cbf\u73bb\u7483\u676f\u53e3\u79fb\u52a8\u65f6\uff0c\u6307\u8179\u5e76\u4e0d\u662f\u59cb\u7ec8\u5e73\u987a\u6ed1\u8fc7\u3002\u6469\u64e6\u4f1a\u8ba9\u5b83\u77ed\u6682\u9ecf\u4f4f\u676f\u53e3\uff0c\u76ae\u80a4\u88ab\u62c9\u4f38\u540e\u53c8\u7a81\u7136\u6ed1\u8131\uff0c\u5982\u6b64\u53cd\u590d\u5f62\u6210\u201c\u9ecf\u2014\u6ed1\u201d\u8fd0\u52a8\u3002\u6bcf\u4e00\u6b21\u6ed1\u8131\u90fd\u7ed9\u676f\u58c1\u4e00\u4e2a\u5c0f\u63a8\u52a8\uff1b\u624b\u6307\u7ed5\u5708\uff0c\u5219\u4e0d\u65ad\u8865\u5145\u632f\u52a8\u635f\u5931\u7684\u80fd\u91cf\uff0c\u6240\u4ee5\u58f0\u97f3\u80fd\u591f\u6301\u7eed\uff0c\u800c\u6572\u676f\u53ea\u80fd\u5f97\u5230\u9010\u6e10\u8870\u51cf\u7684\u4e00\u54cd\u3002<\/p>\n<p>\u7a33\u5b9a\u7684\u97f3\u9ad8\u4e3b\u8981\u4e0d\u662f\u7531\u624b\u6307\u8f6c\u5f97\u591a\u5feb\u51b3\u5b9a\uff0c\u800c\u662f\u7531\u676f\u4f53\u5bb9\u6613\u632f\u52a8\u7684\u56fa\u6709\u6a21\u6001\u51b3\u5b9a\u3002\u676f\u53e3\u632f\u52a8\u65f6\uff0c\u5706\u5468\u5404\u90e8\u5206\u4ea4\u66ff\u5411\u5185\u3001\u5411\u5916\u5fae\u5fae\u53d8\u5f62\uff0c\u5468\u56f4\u7a7a\u6c14\u53d7\u5230\u5468\u671f\u63a8\u52a8\uff0c\u4e8e\u662f\u6211\u4eec\u542c\u89c1\u58f0\u97f3\u3002\u6469\u64e6\u82e5\u592a\u5c0f\uff0c\u80fd\u91cf\u8865\u4e0d\u4e0a\uff1b\u592a\u5927\u53c8\u53ef\u80fd\u53ea\u4ea7\u751f\u6742\u4e71\u7684\u5431\u58f0\u3002\u6c34\u5e2e\u52a9\u5f62\u6210\u5408\u9002\u7684\u6469\u64e6\u6761\u4ef6\uff0c\u4f46\u5b83\u4e0d\u662f\u676f\u5b50\u7684\u201c\u5f13\u201d\u3002<\/p>\n<p>\u676f\u4e2d\u52a0\u6c34\u8fd8\u4f1a\u6539\u53d8\u97f3\u9ad8\uff0c\u56e0\u4e3a\u4e00\u90e8\u5206\u6db2\u4f53\u8981\u968f\u676f\u58c1\u8fd0\u52a8\uff0c\u589e\u52a0\u6709\u6548\u60ef\u6027\u5e76\u6539\u53d8\u963b\u5c3c\uff1b\u4e00\u822c\u4f1a\u4f7f\u4e3b\u8981\u5171\u632f\u9891\u7387\u4e0b\u964d\u3002\u8fd9\u4e2a\u73b0\u8c61\u628a\u4e24\u4e2a\u5e38\u88ab\u6df7\u4e3a\u4e00\u8c08\u7684\u4f5c\u7528\u5206\u5f00\u4e86\uff1a\u6e7f\u6307\u8d1f\u8d23\u6301\u7eed\u6fc0\u53d1\uff0c\u73bb\u7483\u4e0e\u5176\u4e2d\u7684\u6c34\u5171\u540c\u9009\u62e9\u54cd\u5e94\u3002\u82e5\u81ea\u884c\u89c2\u5bdf\uff0c\u53ea\u4f7f\u7528\u5b8c\u597d\u65e0\u88c2\u7eb9\u7684\u676f\u5b50\uff0c\u8f7b\u89e6\u5373\u53ef\uff0c\u4e0d\u8981\u8ffd\u6c42\u5927\u97f3\u91cf\u3002<\/p>\n<p><a href=\"https:\/\/pdxscholar.library.pdx.edu\/cgi\/viewcontent.cgi?article=1377&#038;context=phy_fac\" rel=\"nofollow\">https:\/\/pdxscholar.library.pdx.edu\/cgi\/viewcontent.cgi?article=1377&#038;context=phy_fac<\/a><br \/><a href=\"https:\/\/phys-office.phys.washington.edu\/lectdemo\/catalog.aspx?area=3\" rel=\"nofollow\">https:\/\/phys-office.phys.washington.edu\/lectdemo\/catalog.aspx?area=3<\/a><\/p>\n<p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"A wet finger supplies repeated stick\u2013slip pulses, while the glass's resonant modes set the stable pitch. 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