{"id":776,"date":"2023-08-23T16:36:28","date_gmt":"2023-08-23T15:36:28","guid":{"rendered":"https:\/\/mobile.lebara.com\/gb\/en\/blog\/?p=776"},"modified":"2023-09-27T13:05:33","modified_gmt":"2023-09-27T12:05:33","slug":"what-is-4g-and-is-it-still-used","status":"publish","type":"post","link":"https:\/\/blog.lebara.co.uk\/zh\/what-is-4g-and-is-it-still-used\/","title":{"rendered":"\u4ec0\u4e48\u662f 4G\uff0c\u5b83\u8fd8\u5728\u4f7f\u7528\u5417\uff1f"},"content":{"rendered":"<p>4G \u662f\u4e00\u79cd\u5df2\u7ecf\u5b58\u5728\u4e86\u4e00\u6bb5\u65f6\u95f4\u7684\u79fb\u52a8\u6280\u672f\uff0c\u662f 5G \u7684\u524d\u8eab\uff0c\u800c 5G \u5219\u662f\u76ee\u524d\u6700\u5148\u8fdb\u7684\u79fb\u52a8\u6280\u672f\u3002\u867d\u7136 5G \u8d8a\u6765\u8d8a\u666e\u53ca\uff0c\u4f46\u5e76\u975e\u6bcf\u5bb6\u79fb\u52a8\u516c\u53f8\u6216\u7f51\u7edc\u90fd\u5c06 5G \u4f5c\u4e3a\u6807\u51c6\u914d\u7f6e\u3002\u8fd9\u610f\u5473\u7740 4G \u4ecd\u7136\u975e\u5e38\u91cd\u8981\uff0c\u8bb8\u591a\u4eba\u4ecd\u5728\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u65e7\u624b\u673a\u6216 <a href=\"https:\/\/blog.lebara.co.uk\/zh\/the-top-4-tablets\/\">\u836f\u7247<\/a>\u60a8\u53ef\u80fd\u53ea\u80fd\u4f7f\u7528 4G\u3002\u8981\u77e5\u9053\u60a8\u4f7f\u7528\u7684\u662f\u4ec0\u4e48\u7f51\u7edc\uff0c\u53ef\u4ee5\u67e5\u770b\u79fb\u52a8\u8bbe\u5907\u7684\u9876\u90e8\u30024G \"\u6807\u5fd7\u8868\u793a\u60a8\u5df2\u8fde\u63a5\u5230 4G \u7f51\u7edc\u3002\u4e0b\u9762\u6211\u4eec\u5c06\u8be6\u7ec6\u8ba8\u8bba 4G\u3001\u4f7f\u7528 4G \u7f51\u7edc\u7684\u597d\u5904\u4ee5\u53ca\u82f1\u56fd\u5404\u5730\u662f\u5426\u4ecd\u5728\u4f7f\u7528 4G\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u5f55<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u5207\u6362\u76ee\u5f55\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u6362<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-4g-and-is-it-still-used\/#What_Does_4G_Mean\" >4G \u610f\u5473\u7740\u4ec0\u4e48\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-4g-and-is-it-still-used\/#What_is_4G\" >\u4ec0\u4e48\u662f 4G\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-4g-and-is-it-still-used\/#How_Does_4G_Work\" >4G \u5982\u4f55\u5de5\u4f5c\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-4g-and-is-it-still-used\/#Is_4G_Still_Used\" >4G \u662f\u5426\u4ecd\u5728\u4f7f\u7528\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-4g-and-is-it-still-used\/#What_Are_the_Benefits_of_4G\" >4G \u6709\u54ea\u4e9b\u4f18\u52bf\uff1f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-4g-and-is-it-still-used\/#4G_A_Very_Useful_Networking_Tool\" >4G:\u975e\u5e38\u6709\u7528\u7684\u7f51\u7edc\u5de5\u5177<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_Does_4G_Mean\"><\/span><a><\/a>4G \u610f\u5473\u7740\u4ec0\u4e48\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a><\/a>4G \u662f\u4e00\u79cd\u79fb\u52a8\u901a\u4fe1\uff0c\u53ef\u8ba9\u4eba\u4eec\u4ee5\u6781\u5feb\u7684\u901f\u5ea6\u901a\u8fc7\u65e0\u7ebf\u65b9\u5f0f\u8bbf\u95ee\u4efb\u4f55\u8bbe\u5907\u7684\u4e92\u8054\u7f51\u30024G \u662f\u7b2c\u56db\u4ee3\u901a\u4fe1\u7cfb\u7edf\u7684\u7f29\u5199\uff0c\u662f\u901a\u4fe1\u7cfb\u7edf\u7684\u5347\u7ea7\u7248\uff0c\u6280\u672f\u4e13\u5bb6\u5c06\u5176\u547d\u540d\u4e3a\u7b2c\u56db\u4ee3\u30024G \u7531\u6765\u5df2\u4e45\uff0c2G \u65e9\u5728 20 \u4e16\u7eaa 90 \u5e74\u4ee3\u5c31\u5df2\u63a8\u51fa\u3002<\/p>\n\n\n\n<p>\u5f53\u65f6\uff0c2G \u662f\u6280\u672f\u8fdb\u6b65\u7684\u4e00\u9879\u4e86\u4e0d\u8d77\u7684\u6210\u5c31\uff0c\u5141\u8bb8\u79fb\u52a8\u7535\u8bdd\u7528\u6237\u53d1\u9001\u77ed\u4fe1\u548c\u62e8\u6253\u7535\u8bdd\u3002\u6b64\u65f6\uff0c\u4eba\u4eec\u8fd8\u65e0\u6cd5\u5728\u79fb\u52a8\u8bbe\u5907\u4e0a\u4f7f\u7528\u4e92\u8054\u7f51\uff0c\u4f46\u5728 2003 \u5e74\uff0c\u5373 3G \u63a8\u51fa\u540e\uff0c\u4eba\u4eec\u53ef\u4ee5\u5728\u79fb\u52a8\u8bbe\u5907\u4e0a\u4f7f\u7528\u4e92\u8054\u7f51\u30023G \u63a8\u51fa\u540e\uff0c\u4eba\u4eec\u53ef\u4ee5\u4f7f\u7528\u79fb\u52a8\u8bbe\u5907\u62e8\u6253\u89c6\u9891\u7535\u8bdd\u3001\u6d4f\u89c8\u4e92\u8054\u7f51\u3001\u901a\u8fc7\u77ed\u4fe1\u53d1\u9001\u56fe\u7247\u548c\u56fe\u50cf\uff0c\u751a\u81f3\u4e0b\u8f7d\u89c6\u9891\u548c\u97f3\u4e50\uff0c\u800c\u65e0\u9700\u8fde\u63a5 Wi-Fi \u7f51\u7edc\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u79fb\u52a8\u6280\u672f\u7684\u4e00\u5927\u8fdb\u6b65\uff0c\u800c\u79d1\u6280\u5de8\u5934\u4eec\u5e76\u672a\u6b62\u6b65\u4e8e\u6b64\u30022009 \u5e74\uff0c\u65af\u5fb7\u54e5\u5c14\u6469\u548c\u5965\u65af\u9646\u7387\u5148\u63a8\u51fa\u4e86 4G\u30024G \u662f\u5728 3G \u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u7684\u6539\u8fdb\uff0c\u8ba9\u6211\u4eec\u53ef\u4ee5\u505a\u4ee5\u524d\u80fd\u505a\u7684\u4e00\u5207\uff0c\u4f46\u901f\u5ea6\u66f4\u5feb\u3002\u5f53\u7136\uff0c\u6211\u4eec\u73b0\u5728\u4e5f\u6709\u4e86 5G\uff0c\u800c\u4e14\u901f\u5ea6\u66f4\u5feb\u30025G \u6b63\u53d8\u5f97\u8d8a\u6765\u8d8a\u666e\u53ca\uff0c\u4f46\u82f1\u56fd\u4ecd\u6709\u90e8\u5206\u5730\u533a\u65e0\u6cd5\u4f7f\u7528 5G\u3002<\/p>\n\n\n\n<p>\u6709\u4e9b\u8bbe\u5907\u65e0\u6cd5\u5904\u7406 5G\uff0c\u6709\u4e9b SIM \u5361\u8ba1\u5212\u53ea\u80fd\u4f7f\u7528 4G\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c4G \u4ecd\u80fd\u63d0\u4f9b\u6d41\u7545\u7684\u79fb\u52a8\u4f53\u9a8c\u6240\u9700\u7684\u4e00\u5207\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u5bf9\u79fb\u52a8\u7528\u6237\u4ecd\u7136\u975e\u5e38\u6709\u7528\u3002\u5728\u82f1\u56fd\u7684\u67d0\u4e9b\u5730\u533a\u8fd8\u6709\u66f4\u5feb\u7684 4G \u7248\u672c\uff0c\u5373 4G+\u30014G LTE-Advanced \u6216 LTE-A\u3002<\/p>\n\n\n\n<p>\u5229\u7269\u6d66\u3001\u4f2f\u660e\u7ff0\u3001\u4f26\u6566\u548c\u66fc\u5f7b\u65af\u7279\u7b49\u8bb8\u591a\u5927\u57ce\u5e02\u90fd\u63d0\u4f9b 4G LTE-Advanced\u3002\u8fd9\u53d6\u51b3\u4e8e\u60a8\u6240\u4f7f\u7528\u7684\u79fb\u52a8\u7f51\u7edc\u63d0\u4f9b\u5546\u4ee5\u53ca\u4ed6\u4eec\u5728\u54ea\u4e9b\u57ce\u5e02\u63d0\u4f9b 4G+\u3002\u5982\u679c\u60a8\u4e0d\u786e\u5b9a\u81ea\u5df1\u8fde\u63a5\u7684\u662f 4G \u8fd8\u662f 4G+\uff0c\u53ea\u9700\u67e5\u770b\u624b\u673a\u9876\u90e8\u7684\u6761\u5f62\u56fe\u5373\u53ef\u3002\u5982\u679c\u60a8\u6240\u5728\u5730\u533a\u7684\u7f51\u7edc\u4f9b\u5e94\u5546\u63d0\u4f9b 4G+\uff0c\u5e76\u4e14\u5305\u542b\u5728\u60a8\u7684\u5408\u540c\u4e2d\uff0c\u60a8\u7684\u624b\u673a\u4e0a\u5c31\u4f1a\u6709\u4e00\u4e2a 4G+ \u7b26\u53f7\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_4G\"><\/span><a><\/a>\u4ec0\u4e48\u662f 4G\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>4G \u53ef\u4ee5\u6bd4\u4f5c\u9ad8\u5ea6\u5148\u8fdb\u7684\u65e0\u7ebf\u7535\u7cfb\u7edf\u3002\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u4e0e\u65e0\u7ebf\u7535\u4fe1\u53f7\u7c7b\u4f3c\uff0c\u53ea\u662f\u4e3a\u7528\u6237\u63d0\u4f9b\u79fb\u52a8\u8fde\u63a5\uff0c\u8ba9\u4ed6\u4eec\u53ef\u4ee5\u6253\u7535\u8bdd\u3001\u53d1\u77ed\u4fe1\u548c\u4f7f\u7528\u4e92\u8054\u7f51\u3002\u5f53\u4f60\u9a7e\u8f66\u884c\u9a76\u5728\u9ad8\u901f\u516c\u8def\u4e0a\u65f6\uff0c\u4f60\u53ef\u80fd\u4f1a\u53d1\u73b0\u6845\u6746\u7a7f\u8fc7\u7530\u91ce\uff0c\u6a2a\u8de8\u5927\u5730\uff0c\u5c3d\u6536\u773c\u5e95\u3002\u8fd9\u4e9b\u6845\u6746\u4e3a\u79fb\u52a8\u8bbe\u5907\u8fde\u63a5 4G \u5e7f\u64ad\u5fc5\u8981\u7684\u4fe1\u53f7\u3002<\/p>\n\n\n\n<p>\u7f16\u7801\u5458\u548c\u5de5\u7a0b\u5e08\u5fc5\u987b\u5229\u7528\u8fd9\u4e9b\u6845\u6746\u4e3a\u5927\u4f17\u63d0\u4f9b\u6570\u636e\u3002\u7136\u540e\uff0c\u79fb\u52a8\u7f51\u7edc\u5229\u7528\u8fd9\u4e9b\u6845\u6746\u4e3a\u5176\u79fb\u52a8\u7528\u6237\u63d0\u4f9b\u7f51\u7edc\u3002\u5982\u679c\u6845\u6746\u51fa\u73b0\u6545\u969c\uff0c\u60a8\u53ef\u80fd\u4f1a\u53d1\u73b0\u7f51\u7edc\u5bb9\u91cf\u548c\u901f\u5ea6\u4e0b\u964d\u3002<\/p>\n\n\n\n<p>\u6bcf\u4e2a\u79fb\u52a8\u7f51\u7edc\u90fd\u63d0\u4f9b\u6807\u51c6\u7684 4G\uff0c\u800c 5G \u53ef\u80fd\u53ea\u5728\u67d0\u4e9b\u7f51\u7edc\u7684\u9ad8\u4ed8\u8d39\u5408\u540c\u4e2d\u63d0\u4f9b\u3002\u8fd9\u662f\u56e0\u4e3a\u8be5\u6280\u672f\u4ecd\u662f\u65b0\u6280\u672f\uff0c\u4e0e\u5176\u8bf4\u662f\u5fc5\u9700\u54c1\uff0c\u4e0d\u5982\u8bf4\u662f\u5962\u4f88\u54c1\u30023G \u521a\u95ee\u4e16\u65f6\uff0c\u79fb\u52a8\u670d\u52a1\u63d0\u4f9b\u5546\u4ee5\u9ad8\u4ef7\u63d0\u4f9b\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u73b0\u5728 4G \u5df2\u6210\u4e3a\u5e38\u6001\uff0c\u65e0\u8bba\u60a8\u9009\u62e9\u4f55\u79cd\u79fb\u52a8\u8ba1\u5212\uff0c\u90fd\u53ef\u4ee5\u4f7f\u7528 4G\uff0c\u800c\u65e0\u9700\u652f\u4ed8\u4efb\u4f55\u4fdd\u8d39\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_Does_4G_Work\"><\/span><a><\/a>4G \u5982\u4f55\u5de5\u4f5c\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>4G \u901a\u8fc7\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u5305\u6765\u5de5\u4f5c\u3002\u8981\u4e86\u89e3 4G \u53ca\u5176\u5de5\u4f5c\u539f\u7406\uff0c\u8fd8\u9700\u8981\u77e5\u9053\u4ec0\u4e48\u662f\u4e92\u8054\u7f51\u534f\u8bae\u3002\u4e92\u8054\u7f51\u534f\u8bae\u88ab\u79f0\u4e3a <a href=\"https:\/\/blog.lebara.co.uk\/zh\/ip-ratings-explained-how-your-smartphone-can-withstand-water-and-dust\/\">IP<\/a>\u4e92\u8054\u7f51\u534f\u8bae\u662f\u4e00\u5957\u89c4\u8303\u5982\u4f55\u5728\u4e92\u8054\u7f51\u4e0a\u4f20\u8f93\u6570\u636e\u7684\u89c4\u5219\u548c\u6807\u51c6\u3002\u5b83\u662f\u8ba1\u7b97\u673a\u548c\u79fb\u52a8\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u548c\u8fde\u63a5\u7684\u901a\u7528\u8bed\u8a00\uff0c\u4f7f\u4e0d\u540c\u8bbe\u5907\u80fd\u591f\u4ea4\u6362\u6587\u672c\u4fe1\u606f\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u4e0e\u524d\u4ee3\u4ea7\u54c1\u4e0d\u540c\uff0c4G \u5b8c\u5168\u57fa\u4e8e IP\u3002\u8fd9\u610f\u5473\u7740 4G \u4f7f\u7528 IP \u4f20\u8f93\u6240\u6709\u6570\u636e\uff0c\u5305\u62ec\u8bed\u97f3\u6570\u636e\u3002\u5728 4G \u4e2d\u4f7f\u7528 IP 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5G\uff0c\u56e0\u4e3a\u6839\u636e\u60a8\u6240\u5728\u7684\u4f4d\u7f6e\uff0c\u60a8\u53ef\u80fd\u8fd8\u65e0\u6cd5\u8bbf\u95ee 5G\u3002\u5982\u679c\u60a8\u7684\u79fb\u52a8\u8bbe\u5907\u652f\u6301 5G\uff0c\u60a8\u5c31\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528 4G \u548c 5G\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u60a8\u5728\u82f1\u56fd\u7684\u4f4d\u7f6e\u4ee5\u53ca\u6240\u4f7f\u7528\u7684\u7f51\u7edc\u548c\u8ba1\u5212\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u60a8\u4e0d\u786e\u5b9a\u81ea\u5df1\u6240\u5728\u5730\u533a\u662f\u5426\u6709 4G \u6216 5G\uff0c\u53ef\u4ee5\u4e0a\u7f51\u67e5\u8be2\u3002\u8bb8\u591a\u79fb\u52a8\u670d\u52a1\u63d0\u4f9b\u5546\u90fd\u6709\u4e00\u4e2a 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href=\"https:\/\/blog.lebara.co.uk\/zh\/what-is-4g-and-is-it-still-used\/\">\u66f4\u591a\u4fe1\u606f<\/a><\/div>","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[16],"tags":[],"class_list":["post-776","post","type-post","status-publish","format-standard","hentry","category-lebara-news","clearfix",false],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts\/776","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/comments?post=776"}],"version-history":[{"count":3,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts\/776\/revisions"}],"predecessor-version":[{"id":865,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/posts\/776\/revisions\/865"}],"wp:attachment":[{"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/media?parent=776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/categories?post=776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.lebara.co.uk\/zh\/wp-json\/wp\/v2\/tags?post=776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}