{"id":818,"date":"2014-03-06T11:15:46","date_gmt":"2014-03-06T03:15:46","guid":{"rendered":"http:\/\/coderbee.net\/?p=818"},"modified":"2014-03-06T15:14:27","modified_gmt":"2014-03-06T07:14:27","slug":"tcpip-%e5%8d%8f%e8%ae%ae%e8%af%a6%e8%a7%a3-%e7%ac%ac2%e7%ab%a0-%e9%93%be%e8%b7%af%e5%b1%82","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/basis\/20140306\/818","title":{"rendered":"TCP\/IP \u534f\u8bae\u8be6\u89e3 \u7b2c2\u7ae0 \u94fe\u8def\u5c42"},"content":{"rendered":"

\u5728TCP\/IP\u534f\u8bae\u65cf\u4e2d\uff0c\u94fe\u8def\u5c42\u4e3b\u8981\u6709\u4e09\u4e2a\u76ee\u7684\uff1a<\/p>\n

    \n
  1. \u4e3aIP\u6a21\u5757\u53d1\u9001\u548c\u63a5\u6536IP\u6570\u636e\u62a5\uff1b<\/li>\n
  2. \u4e3aARP\u6a21\u5757\u53d1\u9001ARP\u8bf7\u6c42\u548c\u63a5\u6536ARP\u5e94\u7b54\uff1b<\/li>\n
  3. \u4e3aRARP\u53d1\u9001RARP\u8bf7\u6c42\u548c\u63a5\u6536RARP\u5e94\u7b54\u3002<\/li>\n<\/ol>\n

    \u4ee5\u592a\u7f51\u548cIEEE 802\u5c01\u88c5<\/h3>\n

    \u4ee5\u592a\u7f51\u8fd9\u4e2a\u672f\u8bed\u4e00\u822c\u662f\u6307DEC\u3001Intel\u3001Xeror\u516c\u53f8\u57281982\u5e74\u8054\u5408\u53d1\u5e03\u7684\u4e00\u4e2a\u6807\u51c6\uff0c\u5b83\u662f\u5f53\u4ecaTCP\/IP\u91c7\u7528\u7684\u4e3b\u8981\u7684\u5c40\u57df\u7f51\u6280\u672f\uff0c\u4ee5\u592a\u7f51IP\u6570\u636e\u62a5\u7684\u5c01\u88c5\u5728RFC894\u4e2d\u5b9a\u4e49\uff0c\u5730\u5740\u662f48bit\u3002<\/p>\n

    IEEE 802 \u662fIEEE\uff08\u7535\u5b50\u7535\u6c14\u5de5\u7a0b\u5e08\u534f\u4f1a\uff09802\u59d4\u5458\u4f1a\u516c\u5e03\u7684\u4e00\u4e2a\u7a0d\u6709\u4e0d\u540c\u7684\u6807\u51c6\u96c6\uff0c\u5176\u4e2d802.3\u9488\u5bf9\u6574\u4e2aCSMA\/CD\u7f51\u7edc\uff0c802.4\u9488\u5bf9\u4ee4\u724c\u603b\u7ebf\u7f51\u7edc\uff0c802.5\u9488\u5bf9\u4ee4\u724c\u73af\u7f51\u7edc\u3002<\/p>\n

    \u6700\u5e38\u7528\u7684\u5c01\u88c5\u683c\u5f0f\u662fRFC894\u3002<\/p>\n

    IEEE 802.2\/802.3\uff08RFC-1042\uff09\u548c\u4ee5\u592a\u7f51\u5c01\u88c5\u683c\u5f0f\uff08RFC-894\uff09 \uff08\u65b9\u6846\u4e0b\u7684\u6570\u5b57\u8868\u793a\u5360\u7528\u7684\u5b57\u8282\u6570\uff09\uff1a
    \n\"ieee802\u548c\u4ee5\u592a\u7f51\u5e27\u5c01\u88c5\u683c\u5f0f\"<\/p>\n

    <\/p>\n

      \n
    • \u4e24\u79cd\u5e27\u683c\u5f0f\u90fd\u91c7\u752848bit\u7684\u5730\u5740\uff0c\u79f0\u4e3a\u786c\u4ef6\u5730\u5740\u3002ARP\u548cRARP\u534f\u8bae\u7528\u4e8e\u5bf932bit\u7684IP\u5730\u5740\u548c48bit\u7684\u786c\u4ef6\u5730\u5740\u8fdb\u884c\u6620\u5c04\u3002<\/li>\n
    • 802\u6807\u51c6\u7684\u957f\u5ea6\u6307\u540e\u7eed\u6570\u636e\u7684\u5b57\u8282\u957f\u5ea6\uff0c\u4f46\u4e0d\u5305\u62ecCRC\u6821\u9a8c\u7801\uff1b\u4ee5\u592a\u7f51\u7684\u7c7b\u578b\u5b57\u6bb5\u5b9a\u4e49\u4e86\u540e\u7eed\u6570\u636e\u7684\u7c7b\u578b\u3002802\u5b9a\u4e49\u7684\u6709\u6548\u957f\u5ea6\u503c\u4e0e\u4ee5\u592a\u7f51\u7684\u6709\u6548\u7c7b\u578b\u503c\u65e0\u4e00\u76f8\u540c\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u5bf9\u4e24\u79cd\u5e27\u683c\u5f0f\u8fdb\u884c\u533a\u5206\u3002<\/li>\n
    • \u5728\u4ee5\u592a\u7f51\u5e27\u683c\u5f0f\u4e2d\uff0c\u7c7b\u578b\u5b57\u6bb5\u4e4b\u540e\u5c31\u662f\u6570\u636e\uff1b\u800c\u5728802\u5e27\u683c\u5f0f\u4e2d\uff0c\u8ddf\u968f\u5728\u540e\u9762\u7684\u662f3\u5b57\u8282\u7684802.2 LLC\u548c5\u5b57\u8282\u7684802.2 SNAP\u3002\u76ee\u7684\u670d\u52a1\u8bbf\u95ee\u70b9\uff08Destination Service Access Point, DSAP\uff09\u548c\u6e90\u670d\u52a1\u8bbf\u95ee\u70b9\uff08Source Service Access Point\uff0cSSAP\uff09\u7684\u503c\u90fd\u8bbe\u4e3a0xaa\u3002Ctrl\u5b57\u6bb5\u7684\u503c\u8bbe\u4e3a3.\u968f\u540e\u76843\u4e2a\u81ea\u5df1org code\u90fd\u7f6e\u4e3a0\u3002\u518d\u63a5\u4e0b\u6765\u76842\u4e2a\u5b57\u8282\u7c7b\u578b\u5b57\u6bb5\u548c\u4ee5\u592a\u7f51\u5e27\u683c\u5f0f\u4e00\u6837\u3002<\/li>\n
    • CRC\u5b57\u6bb5\u7528\u4e8e\u5e27\u5185\u540e\u7eed\u5b57\u8282\u5dee\u9519\u7684\u5faa\u73af\u5197\u4f59\u7801\u6821\u9a8c\uff08\u6821\u9a8c\u548c\uff09\uff08\u5b83\u4e5f\u79f0\u4e3aFCS\u6216\u5e27\u6821\u9a8c\u5e8f\u5217\uff09\u3002<\/li>\n
    • 802.3\u6807\u51c6\u5b9a\u4e49\u7684\u5e27\u548c\u4ee5\u592a\u7f51\u7684\u5e27\u90fd\u6709\u6700\u5c0f\u957f\u5ea6\u8981\u6c42\u3002802.3\u6807\u51c6\u8981\u6c42\u81f3\u5c1138\u5b57\u8282\uff0c\u4ee5\u592a\u7f51\u8981\u6c42\u81f3\u5c1148\u5b57\u8282\u3002\u5982\u679c\u7a7a\u95f4\u4e0d\u8db3\uff0c\u5219\u9700\u8981\u586b\u5145\u5b57\u8282\u3002<\/li>\n<\/ul>\n

      SLIP\uff0c\u4e32\u884c\u7ebf\u8defIP<\/h3>\n

      SLIP\u7684\u5168\u79f0\u662fSerial Line IP\u3002\u5b83\u662f\u4e00\u79cd\u5728\u4e32\u884c\u7ebf\u8def\u4e0a\u5bf9IP\u6570\u636e\u62a5\u8fdb\u884c\u5c01\u88c5\u7684\u7b80\u5355\u5f62\u5f0f\u3002SLIP\u9002\u7528\u4e8eRS-232\u4e32\u884c\u7aef\u53e3\u548c\u9ad8\u901f\u8c03\u5236\u89e3\u8c03\u5668\u63a5\u5165Internet\u3002<\/p>\n

      SLIP\u534f\u8bae\u5b9a\u4e49\u5e27\u683c\u5f0f\u7684\u89c4\u5219\uff1a<\/p>\n

        \n
      1. IP\u6570\u636e\u62a5\u4ee5\u4e00\u4e2a\u79f0\u4f5cEND\uff080xc0\uff09\u7684\u7279\u6b8a\u5b57\u7b26\u7ed3\u675f\u3002\u5927\u591a\u6570\u5b9e\u73b0\u5728\u6570\u636e\u62a5\u7684\u5f00\u59cb\u5904\u4f20\u4e00\u4e2aEND\u5b57\u7b26\u3002<\/li>\n
      2. \u5982\u679cIP\u62a5\u6587\u4e2d\u67d0\u4e2a\u5b57\u7b26\u4e3aEND\uff0c\u90a3\u4e48\u5c31\u8981\u8fde\u7eed\u4f20\u8f93\u4e24\u4e2a\u5b57\u82820xdb<\/code>\u548c0xdc<\/code>\u6765\u53d6\u4ee3\u5b83\u30020xdb<\/code>\u88ab\u79f0\u4f5cSLIP\u7684ESC\u5b57\u7b26\uff08\u8f6c\u4e49\u5b57\u7b26\uff09\uff0c\u5b83\u7684\u503c\u4e0eASCII\u7801\u7684ESC\u5b57\u7b26\uff080x1b\uff0c\u8fd9\u662f\u7269\u7406\u6309\u952e\u7684\u503c\uff0c\u524d\u8005\u662f\u534f\u8bae\u5b9a\u4e49\u7684\u903b\u8f91\u8f6c\u4e49\u5b57\u7b26\uff09\u4e0d\u540c\u3002<\/li>\n
      3. \u5982\u679cIP\u62a5\u6587\u4e2d\u67d0\u4e2a\u5b57\u7b26\u4e3aSLIP\u7684ESC\u5b57\u7b26\uff0c\u90a3\u4e48\u5c31\u8981\u8fde\u7eed\u4f20\u8f93\u4e24\u4e2a\u5b57\u8282\u76840xdb<\/code>\u548c0xdd<\/code>\u6765\u53d6\u4ee3\u5b83\u3002<\/li>\n<\/ol>\n

        SLIP\u62a5\u6587\u5c01\u88c5\u56fe\u89e3\uff1a
        \n\"SLIP\u62a5\u6587\u5c01\u88c5\"<\/p>\n

        SLIP\u7684\u4e00\u4e9b\u7f3a\u9677\uff1a<\/p>\n

          \n
        1. \u6bcf\u4e00\u7aef\u5fc5\u987b\u77e5\u9053\u5bf9\u65b9\u7684IP\u5730\u5740\uff0c\u6ca1\u6709\u529e\u6cd5\u628a\u672c\u7aef\u7684IP\u5730\u5740\u901a\u77e5\u7ed9\u53e6\u4e00\u7aef\u3002<\/li>\n
        2. \u6570\u636e\u5e27\u4e2d\u6ca1\u6709\u7c7b\u578b\u5b57\u6bb5\u3002\u5982\u679c\u4e00\u6761\u4e32\u884c\u7ebf\u8def\u7528\u4e8eSLIP\uff0c\u90a3\u4e48\u5b83\u4e0d\u80fd\u540c\u65f6\u4f7f\u7528\u5176\u4ed6\u534f\u8bae\u3002<\/li>\n
        3. SLIP\u6ca1\u6709\u5728\u6570\u636e\u5e27\u4e2d\u52a0\u4e0a\u6821\u9a8c\u548c\u3002\u53ea\u80fd\u901a\u8fc7\u4e0a\u5c42\u534f\u8bae\u53d1\u73b0\u51fa\u9519\u7684\u62a5\u6587\u3002<\/li>\n<\/ol>\n

          \u538b\u7f29\u7684SLIP<\/h3>\n

          \u7531\u4e8e\u4e32\u884c\u7ebf\u8def\u7684\u901f\u7387\u901a\u5e38\u8f83\u4f4e\uff0c\u800c\u4e14\u901a\u4fe1\u7ecf\u5e38\u662f\u4ea4\u4e92\u5f0f\u7684\uff0c\u56e0\u6b64\u5728SLIP\u7ebf\u8def\u4e0a\u6709\u8bb8\u591a\u5c0f\u7684TCP\u5206\u7ec4\u8fdb\u884c\u4ea4\u6362\u3002<\/p>\n

          CSLIP\uff08\u5373\u538b\u7f29SLIP\uff09\u538b\u7f29\u4e86\u5927\u591a\u6570\u7684IP\u548cTCP\u9996\u90e8\uff0c\u56e0\u6b64\u66f4\u9ad8\u6548\u3002<\/p>\n

          PPP\uff1a\u70b9\u5bf9\u70b9\u534f\u8bae<\/h3>\n

          PPP\uff0c\u70b9\u5bf9\u70b9\u534f\u8bae\u4fee\u6539\u4e86SLIP\u534f\u8bae\u4e2d\u7684\u6240\u6709\u7f3a\u9677\u3002\u5305\u62ec\u4ee5\u4e0b\u4e09\u4e2a\u90e8\u5206\uff1a<\/p>\n

            \n
          1. \u5728\u4e32\u884c\u94fe\u8def\u4e0a\u5c01\u88c5IP\u6570\u636e\u62a5\u7684\u65b9\u6cd5\u3002PPP\u65e2\u652f\u6301\u6570\u636e\u4e3a8\u4f4d\u548c\u65e0\u5947\u5076\u6821\u9a8c\u7684\u5f02\u6b65\u6a21\u5f0f\uff0c\u8fd8\u652f\u6301\u9762\u5411\u6bd4\u7279\u7684\u540c\u6b65\u94fe\u63a5\u3002<\/li>\n
          2. \u5efa\u7acb\u3001\u914d\u7f6e\u4ee5\u53ca\u6d4b\u8bd5\u6570\u636e\u94fe\u8def\u7684\u94fe\u8def\u63a7\u5236\u534f\u8bae\uff08LCP\uff0cLink Control Protocol\uff09\u3002\u5141\u8bb8\u901a\u4fe1\u53cc\u65b9\u8fdb\u884c\u534f\u5546\uff0c\u4ee5\u786e\u5b9a\u4e0d\u540c\u7684\u9009\u9879\u3002<\/li>\n
          3. \u9488\u5bf9\u4e0d\u540c\u7f51\u7edc\u5c42\u534f\u8bae\u7684\u7f51\u7edc\u63a7\u5236\u534f\u8bae\uff08NCP\uff0cNetwork Control Protocol\uff09\u4f53\u7cfb\u3002<\/li>\n<\/ol>\n

            PPP\u5e27\u683c\u5f0f<\/h4>\n

            \"PPP\u5e27\u683c\u5f0f\"<\/p>\n

            \u6bcf\u4e00\u5e27\u90fd\u4ee5\u6807\u5fd7\u5b57\u7b260x7e\u5f00\u59cb\u548c\u7ed3\u675f\uff0c\u7d27\u63a5\u7740\u662f\u4e00\u4e2a\u5730\u5740\u5b57\u8282\uff0c\u503c\u59cb\u7ec8\u662f0xff\uff0c\u7136\u540e\u662f\u4e00\u4e2a\u503c\u4e3a0x03\u7684\u63a7\u5236\u5b57\u8282\u3002
            \n\u534f\u8bae\u5b57\u6bb5\u7c7b\u4f3c\u4e8e\u4ee5\u592a\u7f51\u4e2d\u7c7b\u578b\u7684\u529f\u80fd\u3002
            \nCRC\u5b57\u6bb5\uff08\u6216FCS\uff0c\u5e27\u6821\u9a8c\u5e8f\u5217\uff09\u662f\u4e00\u4e2a\u5faa\u73af\u5197\u4f59\u6821\u9a8c\u7801\uff0c\u4ee5\u68c0\u6d4b\u6570\u636e\u5e27\u4e2d\u7684\u9519\u8bef\u3002<\/p>\n

            \u7531\u4e8e\u6807\u5fd7\u5b57\u7b26\u7684\u503c\u662f0x7e\uff0c\u56e0\u6b64\u5f53\u8be5\u5b57\u7b26\u51fa\u73b0\u5728\u4fe1\u606f\u5b57\u6bb5\u4e2d\u65f6\uff0cPPP\u9700\u8981\u5bf9\u5b83\u8fdb\u884c\u8f6c\u4e49\u3002
            \n\u5728\u540c\u6b65\u94fe\u8def\u4e2d\uff0c\u8be5\u8fc7\u7a0b\u662f\u901a\u8fc7\u4e00\u79cd\u79f0\u4f5c\u6bd4\u7279\u586b\u5145\uff08bit stuffing\uff09\u7684\u786c\u4ef6\u6280\u672f\u6765\u5b8c\u6210\u7684\u3002
            \n\u5728\u5f02\u6b65\u94fe\u8def\u4e2d\uff0c\u7279\u6b8a\u5b57\u7b260x7d\u7528\u4f5c\u8f6c\u4e49\u5b57\u7b26\u3002\u5f53\u5b83\u51fa\u73b0\u5728PPP\u6570\u636e\u5e27\u4e2d\u65f6\uff0c\u90a3\u4e48\u7d27\u63a5\u7740\u7684\u5b57\u7b26\u7684\u7b2c6\u4e2a\u6bd4\u7279\u8981\u53d6\u5176\u8865\u7801\uff0c\u5177\u4f53\u5b9e\u73b0\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n

              \n
            1. \u5f53\u9047\u5230\u5b57\u7b260x7e\u65f6\uff0c\u9700\u8fde\u7eed\u4f20\u9001\u4e24\u4e2a\u5b57\u7b26\uff1a0x7d\u548c0x5e\uff0c\u4ee5\u5b9e\u73b0\u6807\u5fd7\u5b57\u7b26\u7684\u8f6c\u4e49\u3002<\/li>\n
            2. \u5f53\u9047\u5230\u8f6c\u4e49\u5b57\u7b260x7d\u65f6\uff0c\u9700\u8fde\u7eed\u4f20\u9001\u4e24\u4e2a\u5b57\u7b26\uff1a0x7d\u548c0x5d\uff0c\u4ee5\u5b9e\u73b0\u8f6c\u4e49\u5b57\u7b26\u7684\u8f6c\u4e49\u3002<\/li>\n
            3. \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u5b57\u7b26\u7684\u503c\u5c0f\u4e8e0x20\uff0c\u4e00\u822c\u90fd\u8981\u8fdb\u884c\u8f6c\u4e49\u3002<\/li>\n<\/ol>\n

              \u73af\u56de\u63a5\u53e3\uff0cLoopback Interface<\/h3>\n

              \u73af\u56de\u63a5\u53e3\u5141\u8bb8\u8fd0\u884c\u5728\u540c\u4e00\u53f0\u4e3b\u673a\u4e0a\u7684\u5ba2\u6237\u7a0b\u5e8f\u548c\u670d\u52a1\u5668\u7a0b\u5e8f\u901a\u8fc7TCP\/IP\u8fdb\u884c\u901a\u4fe1\u3002A\u7c7b\u7f51\u7edc\u53f7 127 \u5c31\u662f\u4e3a\u73af\u56de\u63a5\u53e3\u9884\u7559\u7684\u3002<\/p>\n

              \u5927\u591a\u6570\u7cfb\u7edf\u628aIP\u5730\u5740 127.0.0.1 \u5206\u914d\u7ed9\u8fd9\u4e2a\u63a5\u53e3\uff0c\u5e76\u547d\u540d\u4e3a localhost\u3002\u4e00\u4e2a\u4f20\u7ed9\u73af\u56de\u63a5\u53e3\u7684IP\u6570\u636e\u62a5\u4e0d\u80fd\u5728\u4efb\u4f55\u7f51\u7edc\u4e0a\u51fa\u73b0\u3002\u5927\u591a\u6570\u4ea7\u54c1\u7167\u6837\u5b8c\u6210\u4f20\u8f93\u5c42\u548c\u7f51\u7edc\u5c42\u7684\u6240\u6709\u8fc7\u7a0b\uff0c\u53ea\u662f\u5f53IP\u6570\u636e\u62a5\u79bb\u5f00\u7f51\u7edc\u5c42\u65f6\u628a\u5b83\u8fd4\u56de\u7ed9\u81ea\u5df1\u3002<\/p>\n

              \u73af\u56de\u63a5\u53e3\u6570\u636e\u62a5\u5904\u7406\u8fc7\u7a0b\uff1a
              \n\"\u73af\u56de\u63a5\u53e3\u6570\u636e\u62a5\u5904\u7406\u8fc7\u7a0b\"<\/p>\n

              \u4e0a\u56fe\u67093\u4e2a\u5173\u952e\u70b9\uff1a<\/p>\n

                \n
              1. \u4f20\u7ed9\u73af\u56de\u5730\u5740\u7684\u4efb\u4f55\u6570\u636e\u5747\u4f5c\u4e3aIP\u8f93\u5165\u3002<\/li>\n
              2. \u4f20\u7ed9\u5e7f\u64ad\u5730\u5740\u6216\u591a\u64ad\u5730\u5740\u7684\u6570\u636e\u62a5\u590d\u5236\u4e00\u4efd\u4f20\u7ed9\u73af\u56de\u63a5\u53e3\uff0c\u7136\u540e\u9001\u5230\u4ee5\u592a\u7f51\u4e0a\u3002<\/li>\n
              3. \u4efb\u4f55\u4f20\u7ed9\u8be5\u4e3b\u673aIP\u5730\u5740\u7684\u6570\u636e\u5747\u9001\u5230\u73af\u56de\u63a5\u53e3\u3002<\/li>\n<\/ol>\n

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                \u6700\u5927\u4f20\u8f93\u5355\u5143MTU<\/h3>\n

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                \u5982\u679cIP\u5c42\u6709\u4e00\u4e2a\u6570\u636e\u62a5\u8981\u4f20\uff0c\u800c\u4e14\u6570\u636e\u7684\u957f\u5ea6\u6bd4\u94fe\u8def\u5c42\u7684MTU\u8fd8\u5927\uff0c\u90a3\u4e48IP\u5c42\u5c31\u9700\u8981\u8fdb\u884c\u5206\u7247\uff08fragmentation\uff09\uff0c\u628a\u6570\u636e\u62a5\u5206\u5c42\u82e5\u5e72\u7247\uff0c\u8fd9\u6837\u6bcf\u4e00\u7247\u90fd\u5c0f\u4e8eMTU\u3002<\/p>\n

                \u8def\u5f84MTU<\/h3>\n

                \u5f53\u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4\u7684\u901a\u4fe1\u8981\u901a\u8fc7\u591a\u4e2a\u7f51\u7edc\uff0c\u8fd9\u4e24\u53f0\u901a\u4fe1\u4e3b\u673a\u8def\u5f84\u4e2d\u7684\u6700\u5c0fMTU\u5c31\u79f0\u4f5c\u8def\u5f84MTU\u3002<\/p>\n

                \u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4\u7684\u8def\u5f84MTU\u4e0d\u4e00\u5b9a\u662f\u4e2a\u5e38\u6570\uff0c\u5b83\u53d6\u51b3\u4e8e\u5f53\u65f6\u6240\u9009\u62e9\u7684\u8def\u7531\u3002\u800c\u9009\u8def\u4e0d\u4e00\u5b9a\u662f\u5bf9\u79f0\u7684\uff0c\u56e0\u6b64\u8def\u5f84MTU\u5728\u4e24\u4e2a\u65b9\u5411\u4e0a\u4e0d\u4e00\u5b9a\u662f\u4e00\u81f4\u7684\u3002<\/p>\n\n

                \u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n

                <\/p>\n","protected":false},"excerpt":{"rendered":"

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