{"id":21790,"date":"2021-12-22T08:15:00","date_gmt":"2021-12-22T15:15:00","guid":{"rendered":"https:\/\/ambiq.com\/blog\/%e5%be%ae%e5%a4%84%e7%90%86%e5%99%a8%e7%9a%84%e5%89%8d%e4%b8%96%e4%bb%8a%e7%94%9f\/"},"modified":"2025-08-20T21:09:23","modified_gmt":"2025-08-21T04:09:23","slug":"microprocessors-then-and-now","status":"publish","type":"blog","link":"https:\/\/ambiq.com\/cn\/blog\/microprocessors-then-and-now\/","title":{"rendered":"\u5fae\u5904\u7406\u5668\u7684\u524d\u4e16\u4eca\u751f"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/ambiq.com\/wp-content\/uploads\/2021\/12\/integrated-semiconductor-microchip-microprocessor-1200x800-1.jpg\" alt=\"&#x96C6;&#x6210;&#x534A;&#x5BFC;&#x4F53;&#x5FAE;&#x82AF;&#x7247;&#x5FAE;&#x5904;&#x7406;&#x5668;\" class=\"wp-image-4821\" style=\"width:750px;height:undefinedpx\" title=\"\" srcset=\"\/wp-content\/uploads\/2021\/12\/integrated-semiconductor-microchip-microprocessor-1200x800-1.jpg 1200w, \/wp-content\/uploads\/2021\/12\/integrated-semiconductor-microchip-microprocessor-1200x800-1-150x100.jpg 150w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n<p>\u5fae\u5904\u7406\u5668\u662f\u5c06\u589e\u5f3a\u7684\u667a\u80fd\u548c\u529f\u80fd\u4e0e\u6781\u5c0f\u7684\u7a7a\u95f4\u548c\u529f\u7387\u9700\u6c42\u76f8\u7ed3\u5408\u7684\u5178\u8303\u3002\u5b83\u4f7f\u6211\u4eec\u6bcf\u5929\u4f9d\u8d56\u7684\u7269\u8054\u7f51\uff08IoT\uff09\u8bbe\u5907\u6210\u4e3a\u53ef\u80fd\u3002\u8fc7\u53bb\uff0c\u57fa\u7840\u7ea7\u5fae\u5904\u7406\u5668\u53ea\u80fd\u8fdb\u884c\u6587\u672c\u7f16\u8f91\u3001\u5feb\u901f\u8ba1\u7b97\u548c\u4e92\u8054\u7f51\u901a\u4fe1\uff0c\u800c\u5982\u4eca\uff0c\u5fae\u5904\u7406\u5668\u63d0\u4f9b\u4e86\u4ece\u58f0\u63a7\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u5230\u53ef\u7a7f\u6234\u5065\u5eb7\u8ffd\u8e2a\u5668\u7b49\u5404\u79cd\u53ef\u80fd\u6027\u3002  <\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-history-of-the-microprocessor-nbsp\" style=\"font-size:26px\">\u5fae\u5904\u7406\u5668\u7684\u5386\u53f2  <\/h2>\n\n<p>\u5fae\u5904\u7406\u5668\u6700\u521d\u662f\u5728 20 \u4e16\u7eaa 70 \u5e74\u4ee3\u6839\u636e\u5927\u89c4\u6a21\u96c6\u6210\uff08LSI\uff09\u6280\u672f\u5f00\u53d1\u51fa\u6765\u7684\u3002\u6b64\u65f6\uff0c\u7531\u6570\u5343\u4e2a\u5143\u4ef6\u7ec4\u6210\u7684 5 \u6beb\u7c73\u5fae\u5c0f\u7845\u82af\u7247\u5f00\u59cb\u8fdb\u5165\u6280\u672f\u5e02\u573a\u3002\u56e0\u6b64\uff0c\u82f1\u7279\u5c14<sup>\u00ae<\/sup>4004 \u5fae\u5904\u7406\u5668\u4e8e 1971 \u5e74\u5f00\u53d1\u5e76\u53d1\u5e03\u300220 \u4e16\u7eaa 80 \u5e74\u4ee3\uff0c<a href=\"https:\/\/ambiq.com\/cn\/%e6%9c%af%e8%af%ad%e8%a1%a8\/\" rel=\"noreferrer noopener\" target=\"_blank\">\u8d85\u5927\u89c4\u6a21\u96c6\u6210\u7535\u8def<\/a>\uff08VLSI\uff09\u4f7f\u5fae\u5904\u7406\u5668\u7684\u7535\u8def\u5bc6\u5ea6\u8fdb\u4e00\u6b65\u63d0\u9ad8\u3002\u5230 2010 \u5e74\u4ee3\uff0c\u540c\u6837\u7684\u82af\u7247\u53ef\u5bb9\u7eb3\u6570\u767e\u4e07\u4e2a\u5143\u4ef6\uff0c\u5f7b\u5e95\u6539\u53d8\u4e86\u667a\u80fd\u8bbe\u5907\u7684\u53ef\u80fd\u6027\u3002    <\/p>\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-the-first-microprocessor-nbsp\"><strong>\u7b2c\u4e00\u53f0\u5fae\u5904\u7406\u5668  <\/strong><\/h3>\n\n<p>\u82f1\u7279\u5c14 4004 \u6700\u521d\u53ea\u662f\u95f4\u63a5\u5730\u6539\u53d8\u4e86\u8ba1\u7b97\u673a\u7684\u9762\u8c8c\u3002\u5b83\u514b\u670d\u4e86\u5f53\u65f6\u963b\u788d\u6280\u672f\u8fdb\u6b65\u7684\u8bb8\u591a\u9650\u5236\u3002\u5f53<a href=\"https:\/\/en.wikipedia.org\/wiki\/Federico_Faggin\" rel=\"noreferrer noopener nofollow\" target=\"_blank\">\u8d39\u5fb7\u91cc\u79d1-\u6cd5\u91d1<\/a>\u5f00\u59cb\u89c4\u5212\u82f1\u7279\u5c14 4004 \u65f6\uff0c\u4eba\u4eec\u6700\u521d\u8ba4\u4e3a\u5b83\u51e0\u4e4e\u4e0d\u53ef\u80fd\u5b9e\u73b0\u3002\u5b83\u7684\u9769\u547d\u6027\u7279\u70b9\u5305\u62ec   <\/p>\n\n<ul class=\"wp-block-list\">\n<li>5 \u6beb\u7c73\u82af\u7247\u4e0a\u6709 2300 \u4e2a\u968f\u673a\u903b\u8f91\u6676\u4f53\u7ba1<\/li>\n\n\n\n<li>\u901f\u5ea6\u662f\u4f20\u7edf CPU \u7684\u4e94\u500d<\/li>\n\n\n\n<li>\u4e24\u500d\u7684\u7535\u8def\u5bc6\u5ea6<\/li>\n\n\n\n<li>\u4f53\u79ef\u5c0f\u5de7<\/li>\n\n\n\n<li>\u4f4e\u529f\u8017<\/li>\n\n\n\n<li>\u4fbf\u643a\u5f0f \u53d1\u70ed\u8f83\u5c11<\/li>\n<\/ul>\n\n<p>\u82f1\u7279\u5c14 4004 \u6700\u521d\u88ab\u8bbe\u8ba1\u4e3a\u56db\u82af\u7247\u7cfb\u5217\u4e2d\u7684 CPU\uff0c\u7528\u4e8e\u65b0\u7cfb\u5217\u7684\u6570\u5b57\u8ba1\u7b97\u5668\uff1b\u4f46\u5f53\u5b83\u7684\u771f\u6b63\u6f5c\u529b\u88ab\u53d1\u6398\u51fa\u6765\u540e\uff0c\u82f1\u7279\u5c14\u516c\u53f8\u6388\u6743\u5b83\u7528\u4e8e\u975e\u8ba1\u7b97\u5668\u8bbe\u5907\u3002\u82f1\u7279\u5c14 4004 \u5fae\u5904\u7406\u5668\u6700\u521d\u662f\u4f5c\u4e3a Busicom \u8ba1\u7b97\u5668\u7684\u4e00\u90e8\u5206\uff0c\u540e\u6765\u6210\u4e3a Intellec 4 \u548c Intellec 8 \u8ba1\u7b97\u673a\u7684\u7ec4\u6210\u90e8\u5206\u3002\u51e0\u5e74\u540e\uff0c\u7b2c\u4e00\u6b3e\u7531\u5fae\u5904\u7406\u5668\u63a7\u5236\u7684\u5f39\u7403\u6e38\u620f\u8bde\u751f\u4e86\u3002\u7ecf\u8fc7\u7528\u6237\u53cd\u9988\u548c\u8fdb\u4e00\u6b65\u5f00\u53d1\uff0c\u5fae\u5904\u7406\u5668\u7ecf\u5386\u4e86\u4e00\u7cfb\u5217\u8fed\u4ee3\uff0c\u76f4\u5230 8 \u4f4d\u82f1\u7279\u5c14 8080 \u7684\u53d1\u660e\uff0c\u624d\u62c9\u5f00\u4e86\u4e2a\u4eba\u7535\u8111\u53d1\u5c55\u7684\u5e8f\u5e55\u3002   <\/p>\n\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-how-have-microprocessors-changed-nbsp\"><strong>\u5fae\u5904\u7406\u5668\u53d1\u751f\u4e86\u54ea\u4e9b\u53d8\u5316\uff1f  <\/strong><\/h3>\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"735\" src=\"https:\/\/ambiq.com\/wp-content\/uploads\/2021\/12\/handheld-video-game-console-concept.jpeg\" alt=\"&#x638C;&#x4E0A;&#x89C6;&#x9891;&#x6E38;&#x620F;&#x673A;&#x6982;&#x5FF5;\" class=\"wp-image-4820\" style=\"width:450px;height:undefinedpx\" title=\"\" srcset=\"\/wp-content\/uploads\/2021\/12\/handheld-video-game-console-concept.jpeg 1200w, \/wp-content\/uploads\/2021\/12\/handheld-video-game-console-concept-150x92.jpeg 150w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n<p>\u5fae\u5904\u7406\u5668\u521a\u5f00\u53d1\u51fa\u6765\u65f6\uff0c\u5bf9\u5927\u578b\u673a\u548c\u5fae\u578b\u673a\u7684\u53d1\u5c55\u5f71\u54cd\u751a\u5fae\u3002\u5373\u4f7f\u5728\u4e2a\u4eba\u7535\u8111\u95ee\u4e16\u4e4b\u540e\uff0c\u4e0e\u5f53\u4eca\u4e30\u5bcc\u591a\u5f69\u7684\u6570\u5b57\u751f\u6d3b\u65b9\u5f0f\u76f8\u6bd4\uff0c\u5fae\u5904\u7406\u5668\u7684\u7528\u9014\u4e5f\u76f8\u5bf9\u8f83\u5c11\u3002 <\/p>\n\n<p>\u968f\u7740\u5fae\u5904\u7406\u5668\u7ecf\u5386\u4e86 4 \u4f4d\u30018 \u4f4d\u300116 \u4f4d\u300132 \u4f4d\u548c 64 \u4f4d\u7684\u6f14\u53d8\uff0c\u5176\u529f\u80fd\u4e5f\u5728\u4e0d\u65ad\u53d1\u5c55\u3002\u5f15\u811a\u5c01\u88c5\u3001\u80fd\u6548\u3001\u901f\u5ea6\u548c\u6570\u5b57\u5316 RAM \u7684\u5347\u7ea7\u4f7f\u5b83\u4eec\u9002\u7528\u4e8e\u5e02\u573a\u4e0a\u66f4\u591a\u7684\u7528\u9014\uff0c\u4ece\u4efb\u5929\u5802<sup>\u00ae<\/sup>\u6e38\u620f\u673a\u548c\u6fc0\u5149\u6253\u5370\u673a\uff0c\u5230\u53f0\u5f0f\u673a\u3001\u7b14\u8bb0\u672c\u7535\u8111\uff0c\u6700\u7ec8\u5230\u6211\u4eec\u73b0\u5728\u4f7f\u7528\u7684\u4f17\u6240\u5468\u77e5\u7684\u64cd\u4f5c\u7cfb\u7edf\u3002 <\/p>\n\n<p>\u5982\u4eca\uff0c\u5fae\u5904\u7406\u5668\u7684\u529f\u80fd\u51e0\u4e4e\u65e0\u7a77\u65e0\u5c3d\uff0c<sup>Ambiq<\/sup>\u00ae \u5f00\u53d1\u7684\u65b0\u4ea7\u54c1\u4e0d\u65ad\u8d85\u8d8a\u4eba\u4eec\u7684\u671f\u671b\u3002\u5927\u591a\u6570\u7269\u8054\u7f51\u8bbe\u5907\u90fd\u7531\u7535\u6c60\u4f9b\u7535\uff0c\u5177\u6709\u79fb\u52a8\u6027\u548c\u9ad8\u6027\u80fd\uff0c\u56e0\u6b64\u5fae\u5904\u7406\u5668\u9700\u8981\u8fdb\u884c\u8c03\u6574\uff0c\u4ee5\u66f4\u9ad8\u6548\u5730\u8fd0\u884c\uff0c\u540c\u65f6\u964d\u4f4e\u529f\u8017\u3002\u81ea 1971 \u5e74\u9996\u6b21\u5f00\u53d1\u5fae\u5904\u7406\u5668\u4ee5\u6765\uff0c\u7528\u6237\u914d\u7f6e\u6587\u4ef6\u4ee5\u53ca\u4f18\u5148\u7ea7\u5df2\u5b8c\u5168\u6539\u53d8\uff1b\u73b0\u5728\u7684\u91cd\u70b9\u662f\uff1a  <\/p>\n\n<ul class=\"wp-block-list\">\n<li>\u80fd\u6e90\u6548\u7387<\/li>\n\n\n\n<li>\u66f4\u5feb\u7684\u53d1\u5c55<\/li>\n\n\n\n<li>\u589e\u5f3a\u56fe\u5f62<\/li>\n\n\n\n<li>\u989d\u5916\u5b89\u5168<\/li>\n\n\n\n<li>\u66f4\u5feb\u7684\u8ba1\u7b97\u901f\u5ea6<\/li>\n<\/ul>\n\n<p>Ambiq\u751f\u4ea7\u7684\u5fae\u5904\u7406\u5668\u7684\u6838\u5fc3\u662fSPOT<sup>\u00ae<\/sup>\uff0c<a href=\"https:\/\/ambiq.com\/spot\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u5373\u4e9a\u9608\u503c\u529f\u7387\u4f18\u5316\u6280\u672f<\/a>\uff0c\u8fd9\u662f\u4e00\u4e2a\u4e13\u6709\u5e73\u53f0\uff0c\u901a\u8fc7\u63d0\u4f9b\u524d\u6240\u672a\u89c1\u7684\u4f4e\u529f\u8017\u6f5c\u529b\uff0c\u91cd\u65b0\u5b9a\u4e49\u4e86\u80fd\u6548\u3002\u901a\u8fc7\u5c06\u7cfb\u7edf\u603b\u529f\u8017\u964d\u4f4e\u5230\u4f20\u7edf\u7535\u8def\u8bbe\u8ba1\u7684\u4e09\u5230\u4e94\u500d\uff0cSPOT \u4f7f\u4efb\u4f55\u7535\u6c60\u4f9b\u7535\u7684\u8fb9\u7f18\u8bbe\u5907\u90fd\u6709\u53ef\u80fd\u5b9e\u73b0\u667a\u80fd\u5316\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"800\" src=\"https:\/\/ambiq.com\/wp-content\/uploads\/2021\/12\/ambiq-concepts.jpg\" alt=\"Ambiq &#x6982;&#x5FF5;&#x8BBE;&#x5907;\" class=\"wp-image-4819\" style=\"width:750px;height:undefinedpx\" title=\"\" srcset=\"\/wp-content\/uploads\/2021\/12\/ambiq-concepts.jpg 1200w, \/wp-content\/uploads\/2021\/12\/ambiq-concepts-150x100.jpg 150w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading has-medium-font-size\" id=\"h-the-modern-microprocessor-nbsp\"><strong>\u73b0\u4ee3\u5fae\u5904\u7406\u5668  <\/strong><\/h3>\n\n<p>\u968f\u7740\u667a\u80fd\u624b\u8868\u3001\u5065\u8eab\u624b\u73af\u3001\u8fdc\u573a\u8bed\u97f3\u9065\u63a7\u5668\u548c\u9884\u6d4b\u5065\u5eb7\u8bbe\u5907\u7684\u5174\u8d77\uff0cAmbiq \u6b63\u5728\u5f00\u53d1 SoC\uff08\u7247\u4e0a\u7cfb\u7edf\uff09\uff0c\u4ee5\u6ee1\u8db3\u8fd9\u4e9b\u5148\u8fdb\u800c\u591a\u6837\u7684\u73b0\u4ee3\u9700\u6c42\u3002<a href=\"https:\/\/ambiq.com\/cn\/%e9%98%bf%e6%b3%a2%e7%bd%974\/\" rel=\"noreferrer noopener\" target=\"_blank\">Apollo4<\/a>SoC \u6b63\u662f\u4e13\u4e3a\u8fd9\u4e9b\u60c5\u51b5\u800c\u8bbe\u8ba1\u7684\u3002\u5b83\u53ef\u4ee5\u5904\u7406\u590d\u6742\u7684\u7b97\u6cd5\u548c\u795e\u7ecf\u7f51\u7edc\uff0c\u5b58\u50a8\u5927\u91cf\u6570\u636e\u5e76\u4fdd\u6301\u6d41\u7545\u7684\u56fe\u5f62\u3002Apollo4 \u7cfb\u5217\u82af\u7247\u4f7f\u7528 SPOT \u5e73\u53f0\u63d0\u4f9b\u5b8c\u6574\u7684\u786c\u4ef6\u548c\u8f6f\u4ef6\u89e3\u51b3\u65b9\u6848\uff0c\u4e3a\u7269\u8054\u7f51\u8bbe\u5907\u7684\u6027\u80fd\u521b\u9020\u4e86\u65b0\u7684\u6807\u51c6\uff0c\u800c\u4e14\u4e0d\u4f1a\u8017\u5c3d\u7269\u8054\u7f51\u8bbe\u5907\u7684\u7535\u6c60\u5bff\u547d\u3002   <\/p>\n\n<h3 class=\"wp-block-heading\" id=\"h-features-include\"><strong>\u529f\u80fd\u5305\u62ec<\/strong><\/h3>\n\n<ul class=\"wp-block-list\">\n<li>\u8d85\u4f4e\u529f\u8017\u7761\u7720\u6a21\u5f0f<\/li>\n\n\n\n<li>\u59cb\u7ec8\u5728\u7ebf\u7684\u97f3\u9891\u548c\u964d\u566a\u7b97\u6cd5<\/li>\n\n\n\n<li>2\/2.5D \u56fe\u5f62\u52a0\u901f\u5668\u548c 32 \u4f4d\u8272\u5f69\u652f\u6301<\/li>\n\n\n\n<li>\u4f7f\u7528 AmbiqSuite SDK \u8fdb\u884c\u5f00\u53d1<\/li>\n\n\n\n<li>\u4f4e\u529f\u8017\u901a\u4fe1\u7aef\u53e3<sup>secureSPOT\u00ae<\/sup>\u6280\u672f<\/li>\n<\/ul>\n\n<p><a href=\"https:\/\/ambiq.com\/cn\/%e9%98%bf%e6%b3%a2%e7%bd%974-%e8%93%9d%e8%89%b2\/\" target=\"_blank\" rel=\"noreferrer noopener\">Apollo4 Blue<\/a>SoC \u8fd8\u63d0\u4f9b\u66f4\u5feb\u3001\u66f4\u53ef\u9760\u7684<sup>\u84dd\u7259<\/sup>\u8fde\u63a5\u3002<\/p>\n\n<h2 class=\"wp-block-heading\" id=\"h-how-ambiq-helps-nbsp\" style=\"font-size:26px\">Ambiq \u5982\u4f55\u63d0\u4f9b\u5e2e\u52a9  <\/h2>\n\n<p>Ambiq \u6240\u63d0\u4f9b\u7684\u4ea7\u54c1\u5efa\u7acb\u5728\u5fae\u5904\u7406\u5668\u6700\u521d\u5177\u6709\u9769\u547d\u6027\u610f\u4e49\u7684\u5173\u952e\u539f\u5219\u57fa\u7840\u4e4b\u4e0a\uff1a\u5373\u5728\u964d\u4f4e\u529f\u8017\u548c\u8d44\u6e90\u9700\u6c42\u7684\u540c\u65f6\u6269\u5927\u53ef\u80fd\u6027\u3002\u5728\u6b64\u8fc7\u7a0b\u4e2d\uff0cAmbiq \u56de\u5e94\u4e86\u5f53\u524d\u5e02\u573a\u7684\u4f18\u5148\u4e8b\u9879\uff0c\u5e76\u5f00\u53d1\u51fa\u5f15\u9886\u6f6e\u6d41\u7684\u5fae\u5904\u7406\u5668\uff0c\u5b9e\u73b0\u4e86\u66f4\u5feb\u7684\u6280\u672f\u8fdb\u6b65\uff0c\u5e76\u4e3a\u7528\u6237\u63d0\u4f9b\u4e86\u4ed6\u4eec\u4e00\u76f4\u8981\u6c42\u7684\u529f\u80fd\u3002Ambiq \u7684\u8d85\u4f4e\u529f\u8017\u89e3\u51b3\u65b9\u6848\uff0c\u5305\u62ec SPOT \u548c Apollo4 \u7cfb\u5217 SoC\uff0c\u964d\u4f4e\u4e86\u8fb9\u7f18\u4eba\u5de5\u667a\u80fd\u7684\u529f\u8017\uff0c\u4f7f\u5176\u6210\u4e3a\u5168\u7403\u6570\u5341\u4ebf\u7535\u6c60\u4f9b\u7535\u7684\u65e0\u7ebf\u7269\u8054\u7f51\u8bbe\u5907\u7684\u53ef\u80fd\u3002Ambiq \u89e3\u51b3\u65b9\u6848\u5c06\u5353\u8d8a\u7684\u4eba\u5de5\u667a\u80fd\u4f18\u52bf\u5e26\u7ed9\u6bcf\u4e2a\u4eba\u3002   <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5fae\u5904\u7406\u5668\u662f\u5c06\u589e\u5f3a\u7684\u667a\u80fd\u548c\u529f\u80fd\u4e0e\u6781\u5c0f\u7684\u7a7a\u95f4\u548c\u529f\u7387\u9700\u6c42\u76f8\u7ed3\u5408\u7684\u5178\u8303\u3002\u5b83\u4f7f\u6211\u4eec\u6bcf\u5929\u4f9d\u8d56\u7684\u7269\u8054\u7f51\uff08IoT\uff09\u8bbe\u5907\u6210\u4e3a\u53ef\u80fd\u3002\u8fc7\u53bb\uff0c\u57fa\u7840\u7ea7\u5fae\u5904\u7406\u5668\u53ea\u80fd\u8fdb\u884c\u6587\u672c\u7f16\u8f91\u3001\u5feb\u901f\u8ba1\u7b97\u548c\u4e92\u8054\u7f51\u901a\u4fe1\uff0c\u800c\u5982\u4eca\uff0c\u5fae\u5904\u7406\u5668\u63d0\u4f9b\u4e86\u4ece\u58f0\u63a7\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u5230\u53ef\u7a7f\u6234\u5065\u5eb7\u8ffd\u8e2a\u5668\u7b49\u5404\u79cd\u53ef\u80fd\u6027\u3002 \u5fae\u5904\u7406\u5668\u7684\u5386\u53f2 \u5fae\u5904\u7406\u5668\u6700\u521d\u662f\u5728 20 \u4e16\u7eaa 70 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