{"id":13194,"date":"2013-05-06T07:12:48","date_gmt":"2013-05-05T23:12:48","guid":{"rendered":"https:\/\/case.ntu.edu.tw\/blog\/?p=13194"},"modified":"2017-08-01T21:47:14","modified_gmt":"2017-08-01T13:47:14","slug":"%e3%80%90%e9%87%8f%e5%ad%90%e7%89%a9%e7%90%86%e3%80%91%e5%8e%9f%e5%ad%90%e6%b8%ac%e9%87%8d%e6%99%82%e9%90%98","status":"publish","type":"post","link":"https:\/\/case.ntu.edu.tw\/blog\/?p=13194","title":{"rendered":"\u3010\u91cf\u5b50\u7269\u7406\u3011\u539f\u5b50\u6e2c\u91cd\u6642\u9418"},"content":{"rendered":"<p><strong><span style=\"color: #800000;\">\u25a0 \u7269\u7406\u5b78\u5bb6\u8868\u793a\uff0c\u73fe\u5728\u6709\u4e00\u7a2e\u65b0\u7684\u6642\u9418\uff0c\u85c9\u7531\u6e2c\u91cf\u7269\u8cea\u6700\u5c0f\u7d44\u6210\u4efd\u5b50\u7684\u91cd\u91cf\u4f86\u9032\u884c\u8a08\u6642\u3002\u628a\u8cea\u91cf\u8ddf\u6642\u9593\u4e32\u5728\u4e00\u8d77\u9019\u9805\u6280\u8853\uff0c\u7adf\u7136\u53ef\u4ee5\u7528\u91cf\u5b50\u529b\u5b78\u7684\u65b9\u5f0f\uff0c\u91cd\u65b0\u5b9a\u7fa9\u4e00\u516c\u65a4\u6709\u591a\u91cd\u3002<\/span><\/strong><\/p>\n<figure id=\"attachment_13195\" aria-describedby=\"caption-attachment-13195\" style=\"width: 302px\" class=\"wp-caption alignleft\"><a href=\"http:\/\/case.ntu.edu.tw\/blog\/?attachment_id=13195\" rel=\"attachment wp-att-13195\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-13195 \" title=\"quantum\" src=\"http:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/05\/quantum.jpg\" alt=\"\" width=\"302\" height=\"375\" srcset=\"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/05\/quantum.jpg 480w, https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/05\/quantum-242x300.jpg 242w\" sizes=\"(max-width: 302px) 100vw, 302px\" \/><\/a><figcaption id=\"caption-attachment-13195\" class=\"wp-caption-text\">\u5716\u7247\u4f86\u6e90\uff1aBureau International des Poids et Mesures<\/figcaption><\/figure>\n<p><span style=\"color: #000000;\"><strong>\u7de8\u8b6f<\/strong>\u2502\u9ad8\u82f1\u54f2<\/span><\/p>\n<p>\u52de\u529b\u58eb\u9336\u7576\u7136\u662f\u5f88\u68d2\u5566\uff0c\u4e0d\u904e\u9019\u500b\u6642\u9418\u624d\u662f\u771f\u6b63\u7684\u512a\u96c5\u4e4b\u4f5c\u3002\u7269\u7406\u5b78\u5bb6\u8aaa\u73fe\u5728\u6709\u4e00\u7a2e\u65b0\u7684\u6642\u9418\uff0c\u85c9\u7531\u6e2c\u91cf\u7269\u8cea\u6700\u5c0f\u7d44\u6210\u4efd\u5b50\u7684\u91cd\u91cf\u4f86\u9032\u884c\u8a08\u6642\u3002\u8ddf\u904b\u4f5c\u539f\u7406\u4e0d\u540c\u7684\u6a19\u6e96\u539f\u5b50\u9418\u76f8\u8f03\u4e4b\u4e0b\uff0c\u9019\u7a2e\u65b0\u6642\u9418\u7684\u8a08\u6642\u6548\u679c\u5be6\u5728\u4e0d\u600e\u6a23\uff1b\u4e0d\u904e\u628a\u8cea\u91cf\u8ddf\u6642\u9593\u4e32\u5728\u4e00\u8d77\u4e4b\u5f8c\uff0c\u9019\u5957\u6280\u6cd5\u7adf\u7136\u53ef\u4ee5\u7528\u91cf\u5b50\u529b\u5b78\u7684\u65b9\u5f0f\uff0c\u91cd\u65b0\u5b9a\u7fa9\u4e00\u516c\u65a4\u6709\u591a\u91cd\u3002<\/p>\n<p>\u300c\u9019\u9805\u8d85\u68d2\u7684\u5be6\u9a57\u986f\u793a\uff0c\u91cd\u65b0\u5b9a\u7fa9\u516c\u65a4\u4e4b\u8def\u5df2\u7136\u958b\u5553\u3002\u300d\u7531\u79d1\u7f85\u62c9\u591a\u5927\u5b78\u8ddf\u7f8e\u570b\u570b\u5bb6\u6a19\u6e96\u8207\u6280\u8853\u7814\u7a76\u6240\u5171\u540c\u71df\u904b\u7684 JILA \u5be6\u9a57\u5ba4\u7269\u7406\u5b78\u5bb6\u7d04\u7ff0\uff0e\u970d\u723e (John Hall) \u8aaa\u3002<\/p>\n<p>\u6a19\u6e96\u539f\u5b50\u9418\u7684\u512a\u9ede\u5728\u65bc\uff0c\u4e00\u9846\u539f\u5b50\u5728\u5176\u5167\u90e8\u7d50\u69cb\u5f9e\u67d0\u500b\u300c\u91cf\u5b50\u614b\u300d\u8df3\u8e8d\u5230\u53e6\u4e00\u500b\u6642\uff0c\u80fd\u5920\u5438\u6536\u50cf\u662f\u5149\u4e4b\u985e\u7684\u96fb\u78c1\u8f3b\u5c04\u7684\u67d0\u4e9b\u983b\u7387\u3002\u539f\u5b50\u9418\u7684\u539f\u7406\u57fa\u672c\u4e0a\u5c31\u662f\u628a\u539f\u5b50\u66b4\u9732\u5728\u9019\u500b\u983b\u7387\u7684\u8f3b\u5c04\u4e0b\uff0c\u505a\u70ba\u6642\u9418\u7684\u300c\u6ef4\u7b54\u8072\u300d\u3002\u70ba\u5b98\u65b9\u4e16\u754c\u6642\u9593\u8a08\u6642\u7684\u539f\u5b50\u9418\uff0c\u6e96\u78ba\u5ea6\u9054\u5230\u4e00\u4eac\uff08\u4e00\u842c\u5146\uff09\u5206\u4e4b\u4e09\uff0c\u6240\u4ee5\u5373\u4f7f\u904e\u4e86\u4e00\u5104\u5e74\uff0c\u4e5f\u5dee\u4e0d\u5230\u4e00\u79d2\u9418\u3002<\/p>\n<p>\u52a0\u5dde\u5927\u5b78\u67cf\u514b\u840a\u5206\u6821\u7269\u7406\u5b78\u5bb6\u970d\u683c\uff0e\u7e46\u52d2 (Holger M\u00fcller) \u8aaa\uff0c\u4f60\u7576\u7136\u80fd\u5920\u7528\u4e0d\u4e00\u6a23\u7684\u65b9\u6cd5\u4f86\u8a08\u6642\u3002\u4efb\u4f55\u5927\u8cea\u91cf\u7c92\u5b50\u90fd\u5fc5\u9808\u7528\u4e00\u500b\u4e0a\u4e0b\u632f\u76ea\u7684\u91cf\u5b50\u6ce2\u4f86\u52a0\u4ee5\u63cf\u8ff0\uff0c\u5373\u4f7f\u90a3\u500b\u7c92\u5b50\u53ea\u662f\u5728\u539f\u5730\u4e0d\u52d5\u4e5f\u4e00\u6a23\u3002\u539f\u5b50\u6108\u91cd\uff0c\u4e0a\u4e0b\u632f\u76ea\u62cd\u52d5\u7684\u6240\u8b02\u5eb7\u666e\u9813\u983b\u7387 (Compton frequency) \u5c31\u6108\u9ad8\u3002\u5c31\u539f\u7406\u4f86\u8aaa\uff0c\u91cf\u5b50\u632f\u76ea\u4e5f\u80fd\u5920\u62ff\u4f86\u8a08\u6642\u3002<\/p>\n<p>\u4e0d\u904e\u5be6\u969b\u4e0a\uff0c\u4e00\u500b\u539f\u5b50\u7684\u5eb7\u666e\u9813\u983b\u7387\u5be6\u5728\u592a\u9ad8\uff0c\u6bcf\u79d2\u9ad8\u9054\u4e00\u79ed\uff08\u4e00\u5146\u5146\uff09\u6b21\u5faa\u74b0\uff0c\u4efb\u4f55\u96fb\u5b50\u8a08\u6578\u5668\u90fd\u7121\u6cd5\u52a0\u4ee5\u6e2c\u91cf\u3002\u56e0\u6b64\u7e46\u52d2\u8ddf\u4ed6\u7684\u5b78\u751f\u85cd\u52ad\u5b87\u7b49\u4eba\u60f3\u51fa\u4e00\u7a2e\u8fa6\u6cd5\uff0c\u5728\u63a2\u8a0e\u611b\u56e0\u65af\u5766\u76f8\u5c0d\u8ad6\u7684\u5be6\u9a57\u4e2d\uff0c\u8ffd\u8e64\u539f\u5b50\u7684\u5eb7\u666e\u9813\u983b\u7387\u3002\u4ed6\u5011\u5c07\u7814\u7a76\u7d50\u679c\u767c\u8868\u65bc\u4eca\u5e74\u4e00\u6708\u7684\u300a\u79d1\u5b78\u300b\u671f\u520a\u4e0a\u3002<!--more--><\/p>\n<p>\u7814\u7a76\u8005\u5148\u8b93\u4e00\u5718\u92ab\u539f\u5b50\u7a7f\u900f\u7a7a\u9593\uff0c\u5f80\u4e00\u5ea7\u5075\u6e2c\u5668\u6389\u843d\uff0c\u9019\u4e9b\u539f\u5b50\u5728\u9014\u4e2d\u78b0\u5230\u5169\u9053\u76f8\u5c0d\u767c\u5c04\uff0c\u983b\u7387\u7565\u6709\u4e0d\u540c\u7684\u96f7\u5c04\u8108\u885d\uff0c\u6703\u8f15\u8f15\u5730\u63a8\u52d5\u9019\u4e9b\u539f\u5b50\uff0c\u4f46\u4e0d\u6703\u4f7f\u5176\u5167\u90e8\u7d50\u69cb\u6539\u8b8a\u3002\u9019\u5169\u9053\u8108\u885d\u6703\u628a\u9019\u5718\u92ab\u539f\u5b50\u4e00\u5206\u70ba\u4e8c\uff0c\u5176\u4e2d\u4e00\u534a\u4e00\u5982\u5f80\u5e38\u822c\u6389\u843d\uff0c\u53e6\u4e00\u534a\u5247\u5f9e\u524d\u9762\u90a3\u4e00\u534a\u88ab\u63a8\u958b\uff0c\u7136\u5f8c\u518d\u88ab\u63a8\u56de\u53bb\u8fce\u982d\u8d95\u4e0a\u3002<\/p>\n<p>\u9019\u6642\u5c31\u662f\u76f8\u5c0d\u8ad6\u4e0a\u5834\u7684\u6642\u5019\u4e86\uff1a\u5c31\u6c92\u6709\u88ab\u63a8\u52d5\u7684\u524d\u534a\u5718\u539f\u5b50\u4f86\u8aaa\uff0c\u5f8c\u534a\u5718\u7684\u539f\u5b50\u5148\u662f\u9060\u96e2\uff0c\u7136\u5f8c\u53c8\u8dd1\u4e86\u56de\u4f86\u3002\u56e0\u70ba\u5f8c\u534a\u5718\u6bcf\u79d2\u6703\u79fb\u52d5\u500b\u5e7e\u516c\u5206\uff0c\u6839\u64da\u611b\u56e0\u65af\u5766\u7684\u72f9\u7fa9\u76f8\u5c0d\u8ad6\u9810\u6e2c\uff0c\u5947\u602a\u7684\u6642\u9593\u64f4\u5f35\u73fe\u8c61\u6703\u4f7f\u5176\u770b\u4f3c\u6709\u90a3\u9ebc\u4e00\u9ede\u9ede\u6162\u4e86\u4e0b\u4f86\uff0c\u7d50\u679c\u5c31\u662f\u5f8c\u534a\u5718\u7684\u91cf\u5b50\u6ce2\uff0c\u6bd4\u8d77\u524d\u534a\u5718\u7684\u632f\u76ea\u983b\u7387\u6703\u4f86\u5f97\u4f4e\u4e00\u9ede\u3002<\/p>\n<p>\u7576\u9019\u5169\u5718\u539f\u5b50\u91cd\u65b0\u7d50\u5408\u6642\uff0c\u632f\u76ea\u983b\u7387\u7684\u5dee\u7570\u6703\u5f71\u97ff\u5230\u4ed6\u5011\u4ea4\u758a\u8ddf\u300c\u5e72\u6d89\u300d\u7684\u60c5\u6cc1\u3002\u5982\u679c\u7814\u7a76\u8005\u628a\u9019\u5169\u9053\u96f7\u5c04\u7684\u983b\u7387\u5dee\u8abf\u5230\u525b\u525b\u597d\u7684\u8a71\uff0c\u91cd\u65b0\u7d50\u5408\u7684\u91cf\u5b50\u6ce2\u6703\u300c\u6709\u5efa\u8a2d\u6027\u5730\u300d\u7522\u751f\u5e72\u6d89\uff0c\u9019\u5718\u539f\u5b50\u5c31\u6703\u843d\u5230\u5075\u6e2c\u5668\u4e0a\u3002\u5728\u9019\u7a2e\u60c5\u6cc1\u4e0b\uff0c\u53ea\u8981\u7528\u4e00\u689d\u65b9\u7a0b\u5f0f\u5c31\u53ef\u628a\u80fd\u5920\u7576\u6210\u6642\u9418\u6ef4\u7b54\u8072\u7684\u300c\u983b\u7387\u5dee\u300d\uff0c\u8ddf\u539f\u5b50\u7684\u5eb7\u666e\u9813\u983b\u7387\uff0c\u4ee5\u53ca\u983b\u7387\u4f4e\u5f97\u591a\u7684\u5169\u9053\u96f7\u5c04\u5e73\u5747\u983b\u7387\uff0c\u5b83\u5011\u4e4b\u9593\u7684\u95dc\u4fc2\u4e32\u806f\u5728\u4e00\u8d77\u3002<\/p>\n<p>\u9019\u5e7e\u4e4e\u5c31\u662f\u7814\u7a76\u8005\u60f3\u8981\u7684\u7d50\u679c\uff0c\u53ea\u4e0d\u904e\u591a\u4e86\u8a0e\u53ad\u7684\u96f7\u5c04\u5e73\u5747\u983b\u7387\u652a\u5c40\u800c\u5df2\u3002\u53ea\u8981\u9019\u500b\u983b\u7387\u4f9d\u7136\u662f\u500b\u7368\u7acb\u8f38\u5165\u8b8a\u6578\uff0c\u9019\u6574\u5957\u7cfb\u7d71\u5c31\u5f97\u501a\u8cf4\u6642\u9418\u7528\u4f86\u8a2d\u5b9a\u6642\u9593\u7684\u6771\u897f\uff0c\u800c\u4e0d\u662f\u4e00\u500b\u53ef\u4ee5\u7368\u7acb\u904b\u4f5c\u7684\u6642\u9418\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u500b\u554f\u984c\uff0c\u7814\u7a76\u8005\u4f7f\u7528\u4e00\u5957\u53eb\u505a\u300c\u5149\u983b\u68b3\u300d (frequency comb) \u7684\u7cbe\u5de7\u56de\u994b\u7cfb\u7d71\uff0c\u7528\u5df2\u77e5\u7684\u4e0d\u540c\u983b\u7387\u500d\u6578\u4f86\u4fee\u6b63\u96f7\u5c04\u5e73\u5747\u983b\u7387\u3002\u9019\u9ebc\u4e00\u4f86\u96f7\u5c04\u5e73\u5747\u983b\u7387\u5c31\u5f9e\u65b9\u7a0b\u5f0f\u88e1\u53bb\u9664\u4e86\uff0c\u53ea\u5269\u4e0b\u983b\u7387\u5dee\u662f\u5df2\u77e5\u5eb7\u666e\u9813\u983b\u7387\u7684\u5e7e\u5206\u4e4b\u4e00\u7684\u95dc\u4fc2\uff0c\u55ae\u9760\u92ab\u539f\u5b50\u7684\u8cea\u91cf\u5c31\u80fd\u8a2d\u5b9a\u6642\u9418\u7684\u6ef4\u7b54\u901f\u7387\u3002<\/p>\n<p>\u7531\u65bc\u53c3\u8207\u7814\u767c\u5149\u983b\u68b3\uff0c\u5728\u4e8c\u3007\u3007\u4e94\u5e74\u7372\u9812\u8afe\u8c9d\u723e\u7269\u7406\u5b78\u734e\u7684\u970d\u723e\u8aaa\uff0c\u9019\u9805\u5be6\u9a57\u771f\u662f\u300c\u4e00\u9805\u7d55\u6280\u300d\u3002\u4e0d\u904e\u4ed6\u8aaa\u9019\u62db\u7684\u7cbe\u78ba\u5ea6\u53ea\u5230\u4e00\u5104\u5206\u4e4b\u4e00\u800c\u5df2\uff0c\u6240\u4ee5\u5982\u679c\u6709\u4eba\u8072\u7a31\u8aaa\u9019\u7a2e\u6642\u9418\u80fd\u5920\u8207\u539f\u5b50\u9418\u76f8\u5339\u6575\uff0c\u300c\u7c21\u76f4\u5c31\u50cf\u8981\u4f60\u76f8\u4fe1\u5728\u52a0\u5dde\u54c8\u83f8\u8349\u662f\u5408\u6cd5\u7684\u4e00\u6a23\u53ef\u7b11\u300d\u3002<\/p>\n<p>\u970d\u723e\u8aaa\u9019\u5957\u505a\u6cd5\u771f\u6b63\u7684\u50f9\u503c\uff0c\u5728\u65bc\u53ef\u4ee5\u91cd\u65b0\u5b9a\u7fa9\u4e00\u516c\u65a4\u6709\u591a\u91cd\u3002\u516c\u65a4\u662f\u570b\u969b\u55ae\u4f4d\u7cfb\u7d71\u88e1\uff0c\u6700\u5f8c\u4e00\u7a2e\u7531\u5be6\u9ad4\u6587\u7269\u5b9a\u7fa9\u7684\u7269\u7406\u55ae\u4f4d\uff0c\u76ee\u524d\u662f\u7531\u5b58\u653e\u65bc\u6cd5\u570b\u8cfd\u4f5b\u723e\u570b\u969b\u5ea6\u91cf\u8861\u5c40\u7684\u4e00\u6839\u9251\u92a5\u5408\u91d1\u5713\u67f1\u9ad4\u52a0\u4ee5\u5b9a\u7fa9\u3002\u4f46\u662f\u9019\u6839\u7528\u4f5c\u6a19\u6e96\u7684\u5713\u67f1\u9ad4\uff0c\u5e7e\u5341\u5e74\u4f86\u7d93\u904e\u53cd\u8986\u6e05\u6d17\u7684\u7d50\u679c\uff0c\u5df2\u7d93\u8b8a\u5f97\u6108\u4f86\u6108\u8f15\u3002<\/p>\n<p>\u6e2c\u91cf\u5eb7\u666e\u9813\u983b\u7387\u63d0\u4f9b\u4e86\u53e6\u4e00\u7a2e\u5b9a\u7fa9\u516c\u65a4\u7684\u65b9\u5f0f\u3002\u7814\u7a76\u8005\u53ea\u9700\u8981\u5b9a\u7fa9\u5eb7\u666e\u9813\u983b\u7387\u9700\u8981\u4e58\u4ee5\u591a\u5c11\uff0c\u624d\u80fd\u5f97\u5230\u539f\u5b50\u8cea\u91cf\u7684\u84b2\u6717\u514b\u5e38\u6578\u5c31\u884c\u4e86\uff0c\u9019\u9ebc\u4e00\u4f86\u6e2c\u91cf\u51fa\u4e00\u500b\u539f\u5b50\u7684\u5eb7\u666e\u9813\u983b\u7387\uff0c\u5c31\u80fd\u5f97\u5230\u539f\u5b50\u8cea\u91cf\u78ba\u5be6\u7684\u516c\u65a4\u503c\u3002\u970d\u723e\u8aaa\u4e8b\u5be6\u4e0a\u4f60\u53ef\u4ee5\u628a\u7e46\u52d2\u7684\u5be6\u9a57\uff0c\u7576\u6210\u662f\u5728\u65e2\u6709\u7684\u55ae\u4f4d\u7cfb\u7d71\u88e1\u6e2c\u91cf\u84b2\u6717\u514b\u5e38\u6578\u3002\u4ed6\u88dc\u5145\u8aaa\u5df4\u9ece\u9ad8\u7b49\u5e2b\u7bc4\u5b78\u9662\u7684\u8303\u65af\u83ef\uff0e\u7562\u62c9\u73ed (Fran\u00e7ois Biraben) \u9818\u5c0e\u7684\u7814\u7a76\u5718\u968a\uff0c\u5df2\u7d93\u4f7f\u7528\u975e\u5e38\u985e\u4f3c\u7684\u6280\u6cd5\uff0c\u66f4\u7cbe\u78ba\u5730\u6e2c\u91cf\u51fa\u4e00\u516c\u65a4\u6709\u591a\u91cd\u3002<\/p>\n<p>\u4e0d\u904e\u5373\u4fbf\u516c\u65a4\u53ef\u7528\u9019\u7a2e\u65b9\u5f0f\u91cd\u65b0\u5b9a\u7fa9\uff0c\u9084\u662f\u9700\u8981\u4e0b\u4e9b\u5de5\u592b\uff0c\u624d\u80fd\u628a\u7d50\u679c\u61c9\u7528\u5230\u65e5\u5e38\u751f\u6d3b\u7684\u5b8f\u89c0\u5c3a\u5ea6\u88e1\u3002\u300c\u8981\u5f9e\u4e00\u9846\u539f\u5b50\u90a3\u9ebc\u4e00\u4e01\u9ede\u7684\u8cea\u91cf\uff0c\u8f49\u8b8a\u6210\u4f60\u80fd\u62ff\u53bb\u8d85\u7d1a\u5e02\u5834\uff0c\u78ba\u4fdd\u4f60\u8cb7\u4e86\u4e00\u516c\u65a4\u7684\u7cd6\u771f\u7684\u6709\u4e00\u516c\u65a4\u91cd\u7684\u5de5\u5177\uff0c\u9019\u4e2d\u9593\u9084\u6709\u5f88\u9577\u4e00\u6bb5\u8def\u8981\u8d70\u3002\u300d JILA \u7684\u7269\u7406\u5b78\u5bb6\u53f2\u8482\u82ac\uff0e\u5eb7\u72c4\u592b (Steven Cundiff) \u8868\u793a\u3002\u4e00\u9805\u53eb\u505a\u300c\u4e9e\u4f5b\u52a0\u53a5\u8a08\u756b\u300d (Avogadro Project) \u7684\u91cd\u65b0\u5b9a\u7fa9\u516c\u65a4\u65b9\u6848\uff0c\u5176\u7814\u7a76\u8005\u6b63\u8a66\u8457\u505a\u51fa\u4e00\u9846\u5167\u542b\u539f\u5b50\u6578\u525b\u597d\u7b49\u65bc\u4e9e\u4f5b\u52a0\u53a5\u5e38\u6578\u7684\u77fd\u81a0\u7403\u9ad4\uff0c\u85c9\u6b64\u628a\u5be6\u9a57\u7d50\u679c\u8ddf\u516c\u65a4\u4e32\u63a5\u8d77\u4f86\u3002\u5982\u679c\u79d1\u5b78\u5bb6\u80fd\u5920\u7b97\u51fa\u77fd\u539f\u5b50\u7684\u8cea\u91cf\uff0c\u9019\u4e9b\u77fd\u81a0\u7403\u9ad4\u5c31\u80fd\u5920\u628a\u539f\u5b50\u8cea\u91cf\u8f49\u8b8a\u6210\u5b8f\u89c0\u5c3a\u5ea6\u7684\u5de5\u5177\u3002<br \/>\n--<\/p>\n<pre><span style=\"color: #333333;\">\u5831\u5c0e\u51fa\u8655\uff1a<strong><a href=\"http:\/\/news.sciencemag.org\/sciencenow\/2013\/01\/new-type-of-clock-keeps-time-by-.html#disqus_thread\">New Type of Clock Keeps Time by Weighing Atoms<\/a><\/strong><\/span><\/pre>\n<p><span style=\"color: #333399;\"><strong>\u8cac\u4efb\u7de8\u8f2f\uff1aNita Hsu<\/strong><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u25a0 \u7269\u7406\u5b78\u5bb6\u8868\u793a\uff0c\u73fe\u5728\u6709\u4e00\u7a2e\u65b0\u7684\u6642\u9418\uff0c\u85c9<\/p>\n","protected":false},"author":20,"featured_media":13195,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3293,39],"tags":[],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/case.ntu.edu.tw\/blog\/wp-content\/uploads\/2013\/05\/quantum.jpg","_links":{"self":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13194"}],"collection":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13194"}],"version-history":[{"count":13,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13194\/revisions"}],"predecessor-version":[{"id":29170,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/posts\/13194\/revisions\/29170"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=\/wp\/v2\/media\/13195"}],"wp:attachment":[{"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13194"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13194"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/case.ntu.edu.tw\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13194"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}