{"id":7636,"date":"2025-03-11T02:31:39","date_gmt":"2025-03-10T18:31:39","guid":{"rendered":"https:\/\/www.xindianchem.com\/7636.html"},"modified":"2025-03-11T02:31:39","modified_gmt":"2025-03-10T18:31:39","slug":"nn-%e4%ba%8c%e7%94%b2%e5%9f%ba%e7%8e%af%e5%b7%b1%e8%83%ba%e6%8f%90%e9%ab%98%e8%81%9a%e6%b0%a8%e9%85%af%e6%b6%82%e5%b1%82%e8%80%90%e4%b9%85%e6%80%a7%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.xindianchem.com\/7636.html","title":{"rendered":"N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u63d0\u9ad8\u805a\u6c28\u916f\u6d82\u5c42\u8010\u4e45\u6027\u7684\u65b9\u6cd5"},"content":{"rendered":"
\u805a\u6c28\u916f\u6d82\u5c42\u56e0\u5176\u4f18\u5f02\u7684\u673a\u68b0\u6027\u80fd\u3001\u8010\u5316\u5b66\u6027\u548c\u8010\u5019\u6027\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5efa\u7b51\u3001\u6c7d\u8f66\u3001\u8239\u8236\u3001\u5bb6\u5177\u7b49\u9886\u57df\u3002\u7136\u800c\uff0c\u968f\u7740\u4f7f\u7528\u73af\u5883\u7684\u590d\u6742\u5316\u548c\u4f7f\u7528\u65f6\u95f4\u7684\u5ef6\u957f\uff0c\u805a\u6c28\u916f\u6d82\u5c42\u7684\u8010\u4e45\u6027\u95ee\u9898\u9010\u6e10\u663e\u73b0\u3002\u4e3a\u4e86\u63d0\u9ad8\u805a\u6c28\u916f\u6d82\u5c42\u7684\u8010\u4e45\u6027\uff0c\u7814\u7a76\u4eba\u5458\u4e0d\u65ad\u63a2\u7d22\u65b0\u7684\u6dfb\u52a0\u5242\u548c\u6539\u6027\u65b9\u6cd5\u3002N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\uff08DMCHA\uff09\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6548\u7684\u50ac\u5316\u5242\u548c\u6539\u6027\u5242\uff0c\u8fd1\u5e74\u6765\u5728\u805a\u6c28\u916f\u6d82\u5c42\u4e2d\u7684\u5e94\u7528\u9010\u6e10\u53d7\u5230\u5173\u6ce8\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5728\u63d0\u9ad8\u805a\u6c28\u916f\u6d82\u5c42\u8010\u4e45\u6027\u65b9\u9762\u7684\u4f5c\u7528\u673a\u5236\u3001\u4f7f\u7528\u65b9\u6cd5\u3001\u4ea7\u54c1\u53c2\u6570\u4ee5\u53ca\u5b9e\u9645\u5e94\u7528\u6848\u4f8b\u3002<\/p>\n
N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\uff08DMCHA\uff09\u662f\u4e00\u79cd\u6709\u673a\u80fa\u7c7b\u5316\u5408\u7269\uff0c\u5176\u5316\u5b66\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n
CH3\n |\n N-CH3\n \/ \n \/ \n \/ \n| |\n \/\n \/\n \/\n \/\n C<\/code><\/pre>\n1.2 \u7269\u7406\u6027\u8d28<\/h3>\n
\n\n\n\u6027\u8d28<\/th>\n \u6570\u503c<\/th>\n<\/tr>\n<\/thead>\n \n\n\u5206\u5b50\u5f0f<\/td>\n C8H17N<\/td>\n<\/tr>\n \n\u5206\u5b50\u91cf<\/td>\n 127.23 g\/mol<\/td>\n<\/tr>\n \n\u6cb8\u70b9<\/td>\n 160-162\u00b0C<\/td>\n<\/tr>\n \n\u5bc6\u5ea6<\/td>\n 0.85 g\/cm\u00b3<\/td>\n<\/tr>\n \n\u95ea\u70b9<\/td>\n 40\u00b0C<\/td>\n<\/tr>\n \n\u6eb6\u89e3\u6027<\/td>\n \u6613\u6eb6\u4e8e\u6709\u673a\u6eb6\u5242<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n1.3 \u5316\u5b66\u6027\u8d28<\/h3>\n
N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5177\u6709\u8f83\u5f3a\u7684\u78b1\u6027\uff0c\u80fd\u591f\u4e0e\u9178\u53cd\u5e94\u751f\u6210\u76d0\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u5177\u6709\u8f83\u597d\u7684\u50ac\u5316\u6027\u80fd\uff0c\u80fd\u591f\u52a0\u901f\u805a\u6c28\u916f\u53cd\u5e94\u4e2d\u7684\u5f02\u6c30\u9178\u916f\u4e0e\u7f9f\u57fa\u7684\u53cd\u5e94\u3002<\/p>\n
\u4e8c\u3001N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5728\u805a\u6c28\u916f\u6d82\u5c42\u4e2d\u7684\u4f5c\u7528\u673a\u5236<\/h2>\n2.1 \u50ac\u5316\u4f5c\u7528<\/h3>\n
N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6548\u7684\u50ac\u5316\u5242\uff0c\u80fd\u591f\u663e\u8457\u52a0\u901f\u805a\u6c28\u916f\u53cd\u5e94\u4e2d\u7684\u5f02\u6c30\u9178\u916f\u4e0e\u7f9f\u57fa\u7684\u53cd\u5e94\u3002\u5176\u50ac\u5316\u673a\u7406\u5982\u4e0b\uff1a<\/p>\n
\n- \u6d3b\u5316\u5f02\u6c30\u9178\u916f<\/strong>\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u4e2d\u7684\u6c2e\u539f\u5b50\u5177\u6709\u5b64\u5bf9\u7535\u5b50\uff0c\u80fd\u591f\u4e0e\u5f02\u6c30\u9178\u916f\u4e2d\u7684\u78b3\u539f\u5b50\u5f62\u6210\u914d\u4f4d\u952e\uff0c\u4ece\u800c\u6d3b\u5316\u5f02\u6c30\u9178\u916f\u3002<\/li>\n
- \u4fc3\u8fdb\u53cd\u5e94<\/strong>\uff1a\u6d3b\u5316\u7684\u5f02\u6c30\u9178\u916f\u66f4\u5bb9\u6613\u4e0e\u7f9f\u57fa\u53cd\u5e94\uff0c\u751f\u6210\u805a\u6c28\u916f\u94fe\u3002<\/li>\n<\/ol>\n
2.2 \u6539\u6027\u4f5c\u7528<\/h3>\n
N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u4e0d\u4ec5\u5177\u6709\u50ac\u5316\u4f5c\u7528\uff0c\u8fd8\u80fd\u591f\u901a\u8fc7\u5176\u5206\u5b50\u7ed3\u6784\u4e2d\u7684\u73af\u5df1\u57fa\u56e2\u5bf9\u805a\u6c28\u916f\u6d82\u5c42\u8fdb\u884c\u6539\u6027\u3002\u5177\u4f53\u4f5c\u7528\u5982\u4e0b\uff1a<\/p>\n
\n- \u63d0\u9ad8\u4ea4\u8054\u5bc6\u5ea6<\/strong>\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u80fd\u591f\u4e0e\u805a\u6c28\u916f\u94fe\u4e2d\u7684\u5f02\u6c30\u9178\u916f\u57fa\u56e2\u53cd\u5e94\uff0c\u5f62\u6210\u4ea4\u8054\u7ed3\u6784\uff0c\u4ece\u800c\u63d0\u9ad8\u6d82\u5c42\u7684\u4ea4\u8054\u5bc6\u5ea6\u3002<\/li>\n
- \u589e\u5f3a\u673a\u68b0\u6027\u80fd<\/strong>\uff1a\u4ea4\u8054\u5bc6\u5ea6\u7684\u63d0\u9ad8\u4f7f\u5f97\u805a\u6c28\u916f\u6d82\u5c42\u7684\u673a\u68b0\u6027\u80fd\uff08\u5982\u786c\u5ea6\u3001\u8010\u78e8\u6027\uff09\u5f97\u5230\u663e\u8457\u63d0\u5347\u3002<\/li>\n
- \u6539\u5584\u8010\u5316\u5b66\u6027<\/strong>\uff1a\u4ea4\u8054\u7ed3\u6784\u7684\u5f62\u6210\u4f7f\u5f97\u805a\u6c28\u916f\u6d82\u5c42\u5bf9\u5316\u5b66\u7269\u8d28\u7684\u6e17\u900f\u6027\u964d\u4f4e\uff0c\u4ece\u800c\u63d0\u9ad8\u4e86\u6d82\u5c42\u7684\u8010\u5316\u5b66\u6027\u3002<\/li>\n<\/ol>\n
\u4e09\u3001N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u7684\u4f7f\u7528\u65b9\u6cd5<\/h2>\n3.1 \u6dfb\u52a0\u91cf<\/h3>\n
N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u7684\u6dfb\u52a0\u91cf\u5bf9\u805a\u6c28\u916f\u6d82\u5c42\u7684\u6027\u80fd\u6709\u663e\u8457\u5f71\u54cd\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6dfb\u52a0\u91cf\u57280.1%-1.0%\u4e4b\u95f4\u8f83\u4e3a\u5408\u9002\u3002\u5177\u4f53\u6dfb\u52a0\u91cf\u5e94\u6839\u636e\u6d82\u5c42\u7684\u5177\u4f53\u5e94\u7528\u73af\u5883\u548c\u6027\u80fd\u8981\u6c42\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n
\n\n\n\u5e94\u7528\u73af\u5883<\/th>\n \u63a8\u8350\u6dfb\u52a0\u91cf\uff08%\uff09<\/th>\n<\/tr>\n<\/thead>\n \n\n\u4e00\u822c\u73af\u5883<\/td>\n 0.1-0.3<\/td>\n<\/tr>\n \n\u9ad8\u6e7f\u5ea6\u73af\u5883<\/td>\n 0.3-0.5<\/td>\n<\/tr>\n \n\u9ad8\u5316\u5b66\u8150\u8680\u73af\u5883<\/td>\n 0.5-1.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n3.2 \u6dfb\u52a0\u65b9\u5f0f<\/h3>\n
N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u65b9\u5f0f\u6dfb\u52a0\u5230\u805a\u6c28\u916f\u6d82\u5c42\u4e2d\uff1a<\/p>\n
\n- \u76f4\u63a5\u6dfb\u52a0<\/strong>\uff1a\u5c06N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u76f4\u63a5\u52a0\u5165\u5230\u805a\u6c28\u916f\u9884\u805a\u4f53\u4e2d\uff0c\u6405\u62cc\u5747\u5300\u540e\u8fdb\u884c\u6d82\u8986\u3002<\/li>\n
- \u9884\u6df7\u5408<\/strong>\uff1a\u5c06N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u4e0e\u805a\u6c28\u916f\u9884\u805a\u4f53\u9884\u5148\u6df7\u5408\uff0c\u5f62\u6210\u7a33\u5b9a\u7684\u6df7\u5408\u7269\u540e\u518d\u8fdb\u884c\u6d82\u8986\u3002<\/li>\n<\/ol>\n
3.3 \u6ce8\u610f\u4e8b\u9879<\/h3>\n\n- \u50a8\u5b58\u6761\u4ef6<\/strong>\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5e94\u50a8\u5b58\u5728\u9634\u51c9\u3001\u5e72\u71e5\u7684\u73af\u5883\u4e2d\uff0c\u907f\u514d\u4e0e\u9178\u7c7b\u7269\u8d28\u63a5\u89e6\u3002<\/li>\n
- \u5b89\u5168\u64cd\u4f5c<\/strong>\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5177\u6709\u4e00\u5b9a\u7684\u523a\u6fc0\u6027\uff0c\u64cd\u4f5c\u65f6\u5e94\u4f69\u6234\u9632\u62a4\u624b\u5957\u548c\u53e3\u7f69\uff0c\u907f\u514d\u76f4\u63a5\u63a5\u89e6\u76ae\u80a4\u548c\u5438\u5165\u84b8\u6c7d\u3002<\/li>\n<\/ol>\n
\u56db\u3001N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u63d0\u9ad8\u805a\u6c28\u916f\u6d82\u5c42\u8010\u4e45\u6027\u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b<\/h2>\n4.1 \u5efa\u7b51\u5916\u5899\u6d82\u6599<\/h3>\n
\u5728\u5efa\u7b51\u5916\u5899\u6d82\u6599\u4e2d\uff0c\u805a\u6c28\u916f\u6d82\u5c42\u9700\u8981\u5177\u5907\u4f18\u5f02\u7684\u8010\u5019\u6027\u548c\u8010\u5316\u5b66\u6027\u3002\u901a\u8fc7\u6dfb\u52a0N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6d82\u5c42\u7684\u4ea4\u8054\u5bc6\u5ea6\uff0c\u4ece\u800c\u589e\u5f3a\u5176\u8010\u5019\u6027\u548c\u8010\u5316\u5b66\u6027\u3002<\/p>\n
\n\n\n\u6027\u80fd\u6307\u6807<\/th>\n \u672a\u6dfb\u52a0DMCHA<\/th>\n \u6dfb\u52a0DMCHA\uff080.3%\uff09<\/th>\n<\/tr>\n<\/thead>\n \n\n\u8010\u5019\u6027\uff08\u5c0f\u65f6\uff09<\/td>\n 1000<\/td>\n 1500<\/td>\n<\/tr>\n \n\u8010\u5316\u5b66\u6027\uff08\u7ea7\uff09<\/td>\n 3<\/td>\n 5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n4.2 \u6c7d\u8f66\u6d82\u6599<\/h3>\n
\u6c7d\u8f66\u6d82\u6599\u9700\u8981\u5177\u5907\u4f18\u5f02\u7684\u8010\u78e8\u6027\u548c\u8010\u8150\u8680\u6027\u3002\u901a\u8fc7\u6dfb\u52a0N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6d82\u5c42\u7684\u4ea4\u8054\u5bc6\u5ea6\uff0c\u4ece\u800c\u589e\u5f3a\u5176\u8010\u78e8\u6027\u548c\u8010\u8150\u8680\u6027\u3002<\/p>\n
\n\n\n\u6027\u80fd\u6307\u6807<\/th>\n \u672a\u6dfb\u52a0DMCHA<\/th>\n \u6dfb\u52a0DMCHA\uff080.5%\uff09<\/th>\n<\/tr>\n<\/thead>\n \n\n\u8010\u78e8\u6027\uff08\u6b21\uff09<\/td>\n 500<\/td>\n 800<\/td>\n<\/tr>\n \n\u8010\u8150\u8680\u6027\uff08\u7ea7\uff09<\/td>\n 4<\/td>\n 6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n4.3 \u8239\u8236\u6d82\u6599<\/h3>\n
\u8239\u8236\u6d82\u6599\u9700\u8981\u5177\u5907\u4f18\u5f02\u7684\u8010\u6c34\u6027\u548c\u8010\u76d0\u96fe\u6027\u3002\u901a\u8fc7\u6dfb\u52a0N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6d82\u5c42\u7684\u4ea4\u8054\u5bc6\u5ea6\uff0c\u4ece\u800c\u589e\u5f3a\u5176\u8010\u6c34\u6027\u548c\u8010\u76d0\u96fe\u6027\u3002<\/p>\n
\n\n\n\u6027\u80fd\u6307\u6807<\/th>\n \u672a\u6dfb\u52a0DMCHA<\/th>\n \u6dfb\u52a0DMCHA\uff080.7%\uff09<\/th>\n<\/tr>\n<\/thead>\n \n\n\u8010\u6c34\u6027\uff08\u5c0f\u65f6\uff09<\/td>\n 500<\/td>\n 1000<\/td>\n<\/tr>\n \n\u8010\u76d0\u96fe\u6027\uff08\u7ea7\uff09<\/td>\n 3<\/td>\n 5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\u4e94\u3001N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u7684\u4ea7\u54c1\u53c2\u6570<\/h2>\n5.1 \u4ea7\u54c1\u89c4\u683c<\/h3>\n
\n\n\n\u53c2\u6570<\/th>\n \u6570\u503c<\/th>\n<\/tr>\n<\/thead>\n \n\n\u5916\u89c2<\/td>\n \u65e0\u8272\u900f\u660e\u6db2\u4f53<\/td>\n<\/tr>\n \n\u7eaf\u5ea6<\/td>\n \u226599%<\/td>\n<\/tr>\n \n\u6c34\u5206<\/td>\n \u22640.1%<\/td>\n<\/tr>\n \n\u9178\u503c<\/td>\n \u22640.1 mg KOH\/g<\/td>\n<\/tr>\n \n\u95ea\u70b9<\/td>\n 40\u00b0C<\/td>\n<\/tr>\n \n\u5305\u88c5<\/td>\n 25kg\/\u6876<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n5.2 \u4ea7\u54c1\u4f18\u52bf<\/h3>\n\n- \u9ad8\u6548\u50ac\u5316<\/strong>\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5177\u6709\u9ad8\u6548\u7684\u50ac\u5316\u6027\u80fd\uff0c\u80fd\u591f\u663e\u8457\u52a0\u901f\u805a\u6c28\u916f\u53cd\u5e94\u3002<\/li>\n
- \u589e\u5f3a\u6027\u80fd<\/strong>\uff1a\u901a\u8fc7\u63d0\u9ad8\u4ea4\u8054\u5bc6\u5ea6\uff0c\u663e\u8457\u589e\u5f3a\u805a\u6c28\u916f\u6d82\u5c42\u7684\u673a\u68b0\u6027\u80fd\u548c\u8010\u5316\u5b66\u6027\u3002<\/li>\n
- \u5e7f\u6cdb\u5e94\u7528<\/strong>\uff1a\u9002\u7528\u4e8e\u5efa\u7b51\u3001\u6c7d\u8f66\u3001\u8239\u8236\u7b49\u591a\u4e2a\u9886\u57df\u7684\u805a\u6c28\u916f\u6d82\u5c42\u3002<\/li>\n<\/ol>\n
\u516d\u3001\u7ed3\u8bba<\/h2>\n
N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6548\u7684\u50ac\u5316\u5242\u548c\u6539\u6027\u5242\uff0c\u5728\u63d0\u9ad8\u805a\u6c28\u916f\u6d82\u5c42\u8010\u4e45\u6027\u65b9\u9762\u5177\u6709\u663e\u8457\u7684\u4f5c\u7528\u3002\u901a\u8fc7\u5408\u7406\u6dfb\u52a0N,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\uff0c\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u805a\u6c28\u916f\u6d82\u5c42\u7684\u4ea4\u8054\u5bc6\u5ea6\uff0c\u4ece\u800c\u589e\u5f3a\u5176\u673a\u68b0\u6027\u80fd\u3001\u8010\u5316\u5b66\u6027\u548c\u8010\u5019\u6027\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0cN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5df2\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5efa\u7b51\u3001\u6c7d\u8f66\u3001\u8239\u8236\u7b49\u9886\u57df\u7684\u805a\u6c28\u916f\u6d82\u5c42\u4e2d\uff0c\u53d6\u5f97\u4e86\u826f\u597d\u7684\u6548\u679c\u3002\u672a\u6765\uff0c\u968f\u7740\u7814\u7a76\u7684\u6df1\u5165\uff0cN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5728\u805a\u6c28\u916f\u6d82\u5c42\u4e2d\u7684\u5e94\u7528\u524d\u666f\u5c06\u66f4\u52a0\u5e7f\u9614\u3002<\/p>\n
\u4e03\u3001\u9644\u5f55<\/h2>\n7.1 \u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h3>\n
Q1\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u7684\u6dfb\u52a0\u91cf\u5982\u4f55\u786e\u5b9a\uff1f<\/strong><\/p>\nA1\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u7684\u6dfb\u52a0\u91cf\u5e94\u6839\u636e\u6d82\u5c42\u7684\u5177\u4f53\u5e94\u7528\u73af\u5883\u548c\u6027\u80fd\u8981\u6c42\u8fdb\u884c\u8c03\u6574\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u6dfb\u52a0\u91cf\u57280.1%-1.0%\u4e4b\u95f4\u8f83\u4e3a\u5408\u9002\u3002<\/p>\n
Q2\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u7684\u50a8\u5b58\u6761\u4ef6\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\nA2\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5e94\u50a8\u5b58\u5728\u9634\u51c9\u3001\u5e72\u71e5\u7684\u73af\u5883\u4e2d\uff0c\u907f\u514d\u4e0e\u9178\u7c7b\u7269\u8d28\u63a5\u89e6\u3002<\/p>\n
Q3\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u7684\u5b89\u5168\u64cd\u4f5c\u6ce8\u610f\u4e8b\u9879\u6709\u54ea\u4e9b\uff1f<\/strong><\/p>\nA3\uff1aN,N-\u4e8c\u7532\u57fa\u73af\u5df1\u80fa\u5177\u6709\u4e00\u5b9a\u7684\u523a\u6fc0\u6027\uff0c\u64cd\u4f5c\u65f6\u5e94\u4f69\u6234\u9632\u62a4\u624b\u5957\u548c\u53e3\u7f69\uff0c\u907f\u514d\u76f4\u63a5\u63a5\u89e6\u76ae\u80a4\u548c\u5438\u5165\u84b8\u6c7d\u3002<\/p>\n
7.2 \u4ea7\u54c1\u53c2\u6570\u8868<\/h3>\n