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夜雨聆风 > > 办公文件 > 技术经济学(第4版)刘秋华 课后习题答案解析

技术经济学(第4版)刘秋华 课后习题答案解析

当前时间： 2026-08-05 11:49:26 分类：办公文件 评论(0)
技术经济学(第4版)刘秋华 课后习题答案解析

书籍基本信息

书名：技术经济学 第4版
主编：刘秋华
ISBN：9787111703259
出版社：机械工业出版社

学习经验分享

《技术经济学 第4版》是高校重要的专业课教材，内容系统全面、深入浅出，不仅涵盖完整的技术经济学核心理论，还搭配了大量实例分析与案例研究，能够帮助读者掌握本学科的核心思想与方法工具，将理论知识结合实际应用，有效提升分析和解决问题的能力。

结合学习过程，给大家分享几个实用的学习方法：一是可以利用学校配套的课程PPT、课堂视频，辅助理解书中的核心概念与理论；二是可以借助MOOC等互联网专业资源，拓展知识面，加深对知识点的理解；三是定期组织学习小组讨论交流，分享不同思路，更好地消化吸收书本知识。

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课后习题答案

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  1. CONNECT:[ UseTime:0.000497s ] mysql:host=127.0.0.1;port=3306;dbname=wenku;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000810s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000327s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000288s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000484s ]
  6. SELECT * FROM `set` [ RunTime:0.000240s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000550s ]
  8. SELECT * FROM `article` WHERE `id` = 892782 LIMIT 1 [ RunTime:0.000398s ]
  9. UPDATE `article` SET `lasttime` = 1786026459 WHERE `id` = 892782 [ RunTime:0.000906s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000210s ]
  11. SELECT * FROM `article` WHERE `id` < 892782 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000495s ]
  12. SELECT * FROM `article` WHERE `id` > 892782 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000378s ]
  13. SELECT * FROM `article` WHERE `id` < 892782 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000760s ]
  14. SELECT * FROM `article` WHERE `id` < 892782 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000755s ]
  15. SELECT * FROM `article` WHERE `id` < 892782 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000896s ]
0.088807s