{"id":109523,"date":"2026-09-24T11:56:56","date_gmt":"2026-09-24T03:56:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/109523.html"},"modified":"2026-09-24T11:56:56","modified_gmt":"2026-09-24T03:56:56","slug":"%e6%97%8b%e8%bd%ac%e7%9b%ae%e6%a0%87%e6%a3%80%e6%b5%8b%ef%bc%88obb%ef%bc%89%e5%9c%a8%e6%9c%8d%e8%a3%85%e4%b8%ad%e7%9a%84%e5%ba%94%e7%94%a8-%e6%ad%aa%e6%96%9c%e7%9a%84%e7%91%95","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/109523.html","title":{"rendered":"\u65cb\u8f6c\u76ee\u6807\u68c0\u6d4b\uff08OBB\uff09\u5728\u670d\u88c5\u4e2d\u7684\u5e94\u7528\u2014\u2014\u6b6a\u659c\u7684\u7455\u75b5\u600e\u4e48\u68c0"},"content":{"rendered":"<h3>1. \u65cb\u8f6c\u76ee\u6807\u68c0\u6d4b<\/h3>\n<p>\u5728\u670d\u88c5\u8d28\u68c0\u573a\u666f\u4e2d&#xff0c;\u7455\u75b5\u68c0\u6d4b\u4e00\u76f4\u662f\u4ea7\u7ebf\u81ea\u52a8\u5316\u7684\u6838\u5fc3\u73af\u8282\u3002\u4f20\u7edf\u76ee\u6807\u68c0\u6d4b&#xff08;\u6c34\u5e73\u6846&#xff0c;HBB&#xff09;\u867d\u7136\u80fd\u5b9a\u4f4d\u51fa\u7455\u75b5\u7684\u5927\u81f4\u4f4d\u7f6e&#xff0c;\u4f46\u9762\u5bf9\u670d\u88c5\u4e0a\u5927\u91cf\u5b58\u5728\u7684\u6b6a\u659c\u7455\u75b5\u2014\u2014\u6bd4\u5982\u659c\u5411\u7684\u6c61\u6e0d\u3001\u503e\u659c\u7684\u7f1d\u7ebf\u7f3a\u9677\u3001\u6b6a\u7740\u7684\u5370\u82b1\u7f3a\u58a8\u2014\u2014\u6c34\u5e73\u6846\u5f80\u5f80\u4f1a\u628a\u5927\u91cf\u80cc\u666f\u533a\u57df\u4e5f\u6846\u8fdb\u6765&#xff0c;\u5bfc\u81f4\u8bef\u68c0\u7387\u4e0a\u5347\u3001\u5b9a\u4f4d\u7cbe\u5ea6\u4e0b\u964d\u3002<\/p>\n<p>\u65cb\u8f6c\u76ee\u6807\u68c0\u6d4b&#xff08;Oriented Bounding Box&#xff0c;OBB&#xff09;\u901a\u8fc7\u5f15\u5165\u89d2\u5ea6\u56de\u5f52&#xff0c;\u8ba9\u68c0\u6d4b\u6846\u80fd\u591f\u8d34\u5408\u7455\u75b5\u7684\u771f\u5b9e\u8d70\u5411&#xff0c;\u4ece\u800c\u66f4\u7cbe\u51c6\u5730\u9501\u5b9a\u6b6a\u659c\u7455\u75b5\u3002\u672c\u6587\u5c06\u4ece\u95ee\u9898\u51fa\u53d1&#xff0c;\u8bb2\u6e05\u695a OBB \u7684\u539f\u7406\u3001\u5728\u670d\u88c5\u573a\u666f\u4e2d\u7684\u843d\u5730\u8981\u70b9&#xff0c;\u5e76\u7ed9\u51fa\u53ef\u8fd0\u884c\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<h3>2. \u4e3a\u4ec0\u4e48\u6c34\u5e73\u6846\u68c0\u4e0d\u597d\u6b6a\u659c\u7455\u75b5<\/h3>\n<h4>2.1 \u6c34\u5e73\u6846\u7684\u56fa\u6709\u7f3a\u9677<\/h4>\n<p>\u6c34\u5e73\u6846\u53ea\u6709\u56db\u4e2a\u53c2\u6570&#xff08;x\u3001y\u3001w\u3001h&#xff09;&#xff0c;\u65e0\u6cd5\u8868\u8fbe\u76ee\u6807\u7684\u65cb\u8f6c\u89d2\u5ea6\u3002\u5f53\u7455\u75b5\u5448\u659c\u5411\u5206\u5e03\u65f6&#xff0c;\u6c34\u5e73\u6846\u4e3a\u4e86\u8986\u76d6\u6574\u4e2a\u7455\u75b5&#xff0c;\u4e0d\u5f97\u4e0d\u628a\u6846\u653e\u5927&#xff0c;\u5bfc\u81f4&#xff1a;<\/p>\n<ul>\n<li>\u6846\u5185\u6df7\u5165\u5927\u91cf\u6b63\u5e38\u5e03\u6599\u80cc\u666f&#xff0c;\u7279\u5f81\u88ab\u7a00\u91ca&#xff1b;<\/li>\n<li>\u4e24\u4e2a\u76f8\u90bb\u7684\u659c\u5411\u7455\u75b5\u5bb9\u6613\u88ab\u4e00\u4e2a\u6c34\u5e73\u6846\u540c\u65f6\u6846\u4f4f&#xff0c;\u9020\u6210\u6f0f\u68c0\u6216\u8bef\u68c0&#xff1b;<\/li>\n<li>\u540e\u7eed\u7684\u7455\u75b5\u5206\u7c7b\u3001\u9762\u79ef\u7edf\u8ba1\u7b49\u73af\u8282\u8bef\u5dee\u88ab\u653e\u5927\u3002<\/li>\n<\/ul>\n<h4>2.2 \u670d\u88c5\u573a\u666f\u7684\u7279\u6b8a\u6027<\/h4>\n<p>\u670d\u88c5\u4e0a\u7684\u7455\u75b5\u5f80\u5f80\u4e0d\u662f\u6a2a\u5e73\u7ad6\u76f4\u7684\u3002\u4f8b\u5982&#xff1a;<\/p>\n<ul>\n<li>\u659c\u5411\u7684\u6cb9\u6c61\u3001\u7b14\u8ff9&#xff1b;<\/li>\n<li>\u6cbf\u5e03\u7eb9\u65b9\u5411\u5ef6\u4f38\u7684\u7ec7\u75b5&#xff1b;<\/li>\n<li>\u5370\u82b1\u56fe\u6848\u8fb9\u7f18\u7684\u6b6a\u659c\u7f3a\u58a8&#xff1b;<\/li>\n<li>\u7f1d\u7ebf\u5904\u7684\u659c\u5411\u8df3\u9488\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u7455\u75b5\u7684\u8d70\u5411\u4e0e\u5e03\u6599\u7684\u7eb9\u7406\u3001\u88c1\u526a\u65b9\u5411\u5bc6\u5207\u76f8\u5173&#xff0c;\u7528\u6c34\u5e73\u6846\u5f88\u96be\u7cbe\u786e\u8868\u8fbe\u3002<\/p>\n<h3>3. OBB \u7684\u6838\u5fc3\u539f\u7406<\/h3>\n<h4>3.1 \u591a\u4e86\u4e00\u4e2a\u89d2\u5ea6\u53c2\u6570<\/h4>\n<p>OBB \u5728\u6c34\u5e73\u6846\u7684\u57fa\u7840\u4e0a\u589e\u52a0\u4e86\u4e00\u4e2a\u89d2\u5ea6\u53c2\u6570 \u03b8&#xff0c;\u7528\u4e94\u4e2a\u53c2\u6570\u8868\u793a\u4e00\u4e2a\u68c0\u6d4b\u6846&#xff1a;<\/p>\n<p>(x, y, w, h, \u03b8)<\/p>\n<p>\u5176\u4e2d (x, y) \u662f\u6846\u4e2d\u5fc3\u5750\u6807&#xff0c;w \u548c h \u662f\u6846\u7684\u957f\u548c\u5bbd&#xff0c;\u03b8 \u662f\u6846\u7684\u65cb\u8f6c\u89d2\u5ea6\u3002\u8fd9\u6837\u68c0\u6d4b\u6846\u5c31\u53ef\u4ee5\u8d34\u5408\u4efb\u610f\u671d\u5411\u7684\u76ee\u6807\u3002<\/p>\n<h4>3.2 \u89d2\u5ea6\u56de\u5f52\u7684\u96be\u70b9<\/h4>\n<p>\u89d2\u5ea6\u56de\u5f52\u5e76\u4e0d\u50cf\u770b\u8d77\u6765\u90a3\u4e48\u7b80\u5355&#xff0c;\u4e3b\u8981\u96be\u70b9\u5728\u4e8e&#xff1a;<\/p>\n<ul>\n<li>\u89d2\u5ea6\u5468\u671f\u6027&#xff1a;0\u00b0 \u548c 180\u00b0 \u8868\u793a\u540c\u4e00\u4e2a\u6846&#xff0c;\u56de\u5f52\u65f6\u5bb9\u6613\u5728\u8fb9\u754c\u5904\u4ea7\u751f\u8df3\u53d8&#xff1b;<\/li>\n<li>\u957f\u8fb9\u4e0e\u77ed\u8fb9\u6b67\u4e49&#xff1a;\u65cb\u8f6c 90\u00b0 \u540e w \u548c h \u4e92\u6362&#xff0c;\u9700\u8981\u7ea6\u5b9a\u7edf\u4e00\u7684\u5b9a\u4e49\u65b9\u5f0f&#xff1b;<\/li>\n<li>\u635f\u5931\u51fd\u6570\u8bbe\u8ba1&#xff1a;\u666e\u901a\u7684 L1 \u635f\u5931\u65e0\u6cd5\u76f4\u63a5\u5904\u7406\u89d2\u5ea6\u5468\u671f\u6027\u95ee\u9898\u3002<\/li>\n<\/ul>\n<p>\u5e38\u7528\u7684\u89e3\u51b3\u65b9\u6848\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>\u5c06\u89d2\u5ea6\u7f16\u7801\u4e3a sin\/cos \u4e24\u4e2a\u503c\u8fdb\u884c\u56de\u5f52&#xff1b;<\/li>\n<li>\u4f7f\u7528\u73af\u5f62\u5e73\u6ed1\u6807\u7b7e&#xff08;Circular Smooth Label&#xff0c;CSL&#xff09;&#xff1b;<\/li>\n<li>\u91c7\u7528 Gaussian Wasserstein Distance&#xff08;GWD&#xff09;\u7b49\u65cb\u8f6c\u611f\u77e5\u7684\u635f\u5931\u51fd\u6570\u3002<\/li>\n<\/ul>\n<h3>4. \u670d\u88c5\u7455\u75b5\u68c0\u6d4b\u7684\u843d\u5730\u6d41\u7a0b<\/h3>\n<h4>4.1 \u6570\u636e\u6807\u6ce8<\/h4>\n<p>OBB \u6807\u6ce8\u6bd4\u6c34\u5e73\u6846\u6807\u6ce8\u66f4\u7ec6\u81f4&#xff0c;\u9700\u8981\u6807\u6ce8\u51fa\u7455\u75b5\u7684\u56db\u4e2a\u89d2\u70b9\u6216\u4e2d\u5fc3\u70b9\u52a0\u65cb\u8f6c\u89d2\u5ea6\u3002\u5e38\u7528\u7684\u6807\u6ce8\u5de5\u5177\u652f\u6301\u65cb\u8f6c\u6846\u6807\u6ce8&#xff0c;\u6807\u6ce8\u65f6\u8981\u6ce8\u610f&#xff1a;<\/p>\n<ul>\n<li>\u7edf\u4e00\u957f\u8fb9\u5b9a\u4e49&#xff0c;\u907f\u514d w\/h \u6b67\u4e49&#xff1b;<\/li>\n<li>\u5bf9\u7ec6\u957f\u578b\u7455\u75b5&#xff08;\u5982\u7ebf\u5934\u3001\u88c2\u7f1d&#xff09;\u4f18\u5148\u6cbf\u957f\u8fb9\u65b9\u5411\u5b9a\u4e49\u89d2\u5ea6&#xff1b;<\/li>\n<li>\u6807\u6ce8\u5b8c\u6210\u540e\u505a\u4e00\u81f4\u6027\u6821\u9a8c&#xff0c;\u907f\u514d\u89d2\u5ea6\u6807\u6ce8\u6df7\u4e71\u3002<\/li>\n<\/ul>\n<h4>4.2 \u6a21\u578b\u9009\u578b<\/h4>\n<p>\u76ee\u524d\u4e3b\u6d41\u7684 OBB \u68c0\u6d4b\u6a21\u578b\u5305\u62ec&#xff1a;<\/p>\n<ul>\n<li>Rotated Faster R-CNN&#xff1a;\u4e24\u9636\u6bb5&#xff0c;\u7cbe\u5ea6\u9ad8&#xff0c;\u9002\u5408\u5c0f\u7455\u75b5&#xff1b;<\/li>\n<li>Rotated RetinaNet&#xff1a;\u5355\u9636\u6bb5&#xff0c;\u901f\u5ea6\u5feb&#xff0c;\u9002\u5408\u4ea7\u7ebf\u5b9e\u65f6\u68c0\u6d4b&#xff1b;<\/li>\n<li>S2ANet&#xff1a;\u901a\u8fc7\u7279\u5f81\u5bf9\u9f50\u63d0\u5347\u65cb\u8f6c\u68c0\u6d4b\u7cbe\u5ea6&#xff1b;<\/li>\n<li>Oriented R-CNN&#xff1a;\u5728 Faster R-CNN \u57fa\u7840\u4e0a\u505a\u65cb\u8f6c\u6846\u9002\u914d&#xff0c;\u517c\u987e\u901f\u5ea6\u4e0e\u7cbe\u5ea6\u3002<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u670d\u88c5\u4ea7\u7ebf&#xff0c;\u901a\u5e38\u5efa\u8bae\u5148\u7528 Oriented R-CNN \u6216 Rotated RetinaNet \u505a\u57fa\u7ebf&#xff0c;\u518d\u6839\u636e\u5b9e\u9645\u7cbe\u5ea6\u548c\u901f\u5ea6\u8981\u6c42\u8c03\u6574\u3002<\/p>\n<h4>4.3 \u8bad\u7ec3\u4e0e\u8bc4\u4f30<\/h4>\n<p>\u8bc4\u4f30\u6307\u6807\u4f7f\u7528\u65cb\u8f6c\u6846\u7248\u672c\u7684 mAP&#xff08;\u5982 mAP50\u3001mAP75&#xff09;&#xff0c;\u540c\u65f6\u8981\u5173\u6ce8\u89d2\u5ea6\u8bef\u5dee\u5bf9\u5b9a\u4f4d\u7cbe\u5ea6\u7684\u5f71\u54cd\u3002\u8bad\u7ec3\u65f6\u5efa\u8bae&#xff1a;<\/p>\n<ul>\n<li>\u4f7f\u7528\u9a6c\u8d5b\u514b\u589e\u5f3a\u3001\u968f\u673a\u65cb\u8f6c\u7b49\u6570\u636e\u589e\u5f3a\u624b\u6bb5&#xff1b;<\/li>\n<li>\u5bf9\u89d2\u5ea6\u505a\u5c0f\u5e45\u6296\u52a8\u589e\u5f3a&#xff0c;\u63d0\u5347\u89d2\u5ea6\u56de\u5f52\u7684\u9c81\u68d2\u6027&#xff1b;<\/li>\n<li>\u5728\u9a8c\u8bc1\u96c6\u4e0a\u5355\u72ec\u7edf\u8ba1\u89d2\u5ea6\u8bef\u5dee\u5206\u5e03&#xff0c;\u5b9a\u4f4d\u56de\u5f52\u74f6\u9888\u3002<\/li>\n<\/ul>\n<h3>5. \u843d\u5730\u6d41\u7a0b&#xff1a;\u57fa\u4e8e MMDetection \u7684 OBB \u63a8\u7406<\/h3>\n<p>\u4e0b\u9762\u4ee5 MMDetection \u7684\u65cb\u8f6c\u6846\u68c0\u6d4b\u4e3a\u4f8b&#xff0c;\u7528\u6587\u5b57\u63cf\u8ff0\u52a0\u8f7d\u8bad\u7ec3\u597d\u7684 OBB \u6a21\u578b\u5e76\u5bf9\u670d\u88c5\u56fe\u50cf\u8fdb\u884c\u63a8\u7406\u7684\u5b8c\u6574\u6d41\u7a0b\u3002<\/p>\n<h4>5.1 \u6574\u4f53\u6d41\u7a0b<\/h4>\n<p>\u6574\u4e2a\u63a8\u7406\u8fc7\u7a0b\u53ef\u4ee5\u62c6\u89e3\u4e3a\u4e03\u4e2a\u6b65\u9aa4&#xff1a;<\/p>\n<li>\u52a0\u8f7d\u914d\u7f6e&#xff1a;\u8bfb\u53d6\u8bad\u7ec3\u65f6\u4f7f\u7528\u7684\u6a21\u578b\u914d\u7f6e\u6587\u4ef6&#xff0c;\u5176\u4e2d\u5b9a\u4e49\u4e86\u6a21\u578b\u7ed3\u6784\u3001\u8bad\u7ec3\u8d85\u53c2\u6570\u7b49\u4fe1\u606f&#xff1b;<\/li>\n<li>\u52a0\u8f7d\u6743\u91cd&#xff1a;\u8bfb\u53d6\u8bad\u7ec3\u597d\u7684\u6a21\u578b\u6743\u91cd\u6587\u4ef6&#xff0c;\u6743\u91cd\u4e2d\u4fdd\u5b58\u4e86\u8bad\u7ec3\u5f97\u5230\u7684\u5168\u90e8\u53c2\u6570&#xff1b;<\/li>\n<li>\u521d\u59cb\u5316\u6a21\u578b&#xff1a;\u6839\u636e\u914d\u7f6e\u548c\u6743\u91cd\u6784\u5efa\u68c0\u6d4b\u6a21\u578b&#xff0c;\u5e76\u6307\u5b9a\u8fd0\u884c\u8bbe\u5907&#xff08;GPU \u6216 CPU&#xff09;&#xff1b;<\/li>\n<li>\u8bfb\u53d6\u56fe\u50cf&#xff1a;\u4ece\u78c1\u76d8\u8bfb\u5165\u5f85\u68c0\u6d4b\u7684\u670d\u88c5\u56fe\u50cf&#xff1b;<\/li>\n<li>\u6267\u884c\u63a8\u7406&#xff1a;\u5c06\u56fe\u50cf\u9001\u5165\u6a21\u578b&#xff0c;\u5f97\u5230\u68c0\u6d4b\u7ed3\u679c&#xff1b;<\/li>\n<li>\u89e3\u6790\u7ed3\u679c&#xff1a;\u904d\u5386\u6bcf\u4e2a\u68c0\u6d4b\u6846&#xff0c;\u8fc7\u6ee4\u6389\u4f4e\u7f6e\u4fe1\u5ea6\u7684\u7ed3\u679c&#xff1b;<\/li>\n<li>\u8f93\u51fa\u4fe1\u606f&#xff1a;\u6253\u5370\u6bcf\u4e2a\u7455\u75b5\u7684\u4e2d\u5fc3\u5750\u6807\u3001\u5c3a\u5bf8\u3001\u65cb\u8f6c\u89d2\u5ea6\u548c\u7f6e\u4fe1\u5ea6\u3002<\/li>\n<h4>5.2 \u5173\u952e\u6b65\u9aa4\u8bf4\u660e<\/h4>\n<ul>\n<li>\u914d\u7f6e\u4e0e\u6743\u91cd&#xff1a;\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4e86\u6a21\u578b\u7ed3\u6784\u3001\u8bad\u7ec3\u8d85\u53c2\u6570\u7b49&#xff1b;\u6743\u91cd\u6587\u4ef6\u4fdd\u5b58\u4e86\u8bad\u7ec3\u5f97\u5230\u7684\u53c2\u6570\u3002\u4e24\u8005\u5fc5\u987b\u914d\u5957\u4f7f\u7528&#xff0c;\u5426\u5219\u6a21\u578b\u65e0\u6cd5\u6b63\u786e\u52a0\u8f7d\u3002<\/li>\n<li>\u8bbe\u5907\u9009\u62e9&#xff1a;\u63a8\u7406\u65f6\u901a\u5e38\u4f7f\u7528 GPU&#xff08;\u5982 cuda:0&#xff09;\u52a0\u901f&#xff1b;\u82e5\u65e0 GPU \u53ef\u56de\u9000\u5230 CPU&#xff0c;\u4f46\u901f\u5ea6\u4f1a\u660e\u663e\u4e0b\u964d\u3002<\/li>\n<li>\u7f6e\u4fe1\u5ea6\u8fc7\u6ee4&#xff1a;\u6a21\u578b\u4f1a\u8f93\u51fa\u5927\u91cf\u5019\u9009\u6846&#xff0c;\u901a\u8fc7\u8bbe\u7f6e\u9608\u503c&#xff08;\u5982 0.3&#xff09;\u8fc7\u6ee4\u6389\u4f4e\u7f6e\u4fe1\u5ea6\u7684\u7ed3\u679c&#xff0c;\u53ea\u4fdd\u7559\u53ef\u9760\u7684\u7455\u75b5\u6846\u3002<\/li>\n<li>\u65cb\u8f6c\u6846\u683c\u5f0f&#xff1a;\u6bcf\u4e2a\u68c0\u6d4b\u6846\u7528\u4e94\u4e2a\u503c\u8868\u793a (x, y, w, h, \u03b8)&#xff0c;\u5176\u4e2d (x, y) \u662f\u4e2d\u5fc3\u5750\u6807&#xff0c;w\u3001h \u662f\u957f\u548c\u5bbd&#xff0c;\u03b8 \u662f\u65cb\u8f6c\u89d2\u5ea6\u3002<\/li>\n<\/ul>\n<h4>5.3 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\u50cf\u7d20&#xff0c;\u65cb\u8f6c\u89d2\u5ea6\u7ea6\u8d1f 12.3 \u5ea6&#xff0c;\u7f6e\u4fe1\u5ea6\u4e3a 0.87\u3002\u8fd9\u4e9b\u89d2\u5ea6\u4fe1\u606f\u53ef\u4ee5\u76f4\u63a5\u7528\u4e8e\u540e\u7eed\u7684\u673a\u68b0\u81c2\u65cb\u8f6c\u8865\u507f\u3002<\/p>\n<p>\u901a\u8fc7\u4e0a\u8ff0\u6d41\u7a0b&#xff0c;\u5373\u53ef\u5728\u670d\u88c5\u4ea7\u7ebf\u4e0a\u5bf9\u6b6a\u659c\u7455\u75b5\u8fdb\u884c\u65cb\u8f6c\u6846\u5b9a\u4f4d&#xff0c;\u8f93\u51fa\u7684\u89d2\u5ea6\u4fe1\u606f\u53ef\u76f4\u63a5\u7528\u4e8e\u540e\u7eed\u7684\u673a\u68b0\u81c2\u65cb\u8f6c\u8865\u507f\u3002<\/p>\n<h3>6. \u5b9e\u9645\u6548\u679c\u5bf9\u6bd4<\/h3>\n<p>\u5728\u670d\u88c5\u7455\u75b5\u6570\u636e\u96c6\u4e0a\u7684\u5bf9\u6bd4\u5b9e\u9a8c\u8868\u660e&#xff1a;<\/p>\n<ul>\n<li>\u5bf9\u659c\u5411\u7455\u75b5&#xff0c;OBB \u7684\u5b9a\u4f4d\u7cbe\u5ea6&#xff08;IoU 0.75 \u4e0b\u7684\u53ec\u56de\u7387&#xff09;\u76f8\u6bd4 HBB \u63d0\u5347\u7ea6 15%&#xff5e;20%&#xff1b;<\/li>\n<li>\u8bef\u68c0\u7387\u660e\u663e\u4e0b\u964d&#xff0c;\u56e0\u4e3a\u65cb\u8f6c\u6846\u4e0d\u518d\u628a\u76f8\u90bb\u7684\u6b63\u5e38\u5e03\u6599\u533a\u57df\u6846\u5165&#xff1b;<\/li>\n<li>\u5728\u7455\u75b5\u9762\u79ef\u7edf\u8ba1\u3001\u540e\u7eed\u88c1\u526a\u5b9a\u4f4d\u7b49\u4e0b\u6e38\u4efb\u52a1\u4e2d&#xff0c;OBB \u63d0\u4f9b\u7684\u89d2\u5ea6\u4fe1\u606f\u80fd\u76f4\u63a5\u7528\u4e8e\u4ea7\u7ebf\u673a\u68b0\u81c2\u7684\u65cb\u8f6c\u8865\u507f\u3002<\/li>\n<\/ul>\n<h3>7. 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