Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/1ab01c8618aa73f31fb03af684b3683d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 ecomomics是什么意思，ecomomics的翻译，ecomomics音标、读音、用法和例句_按摩法牛津词典
This paper analyzes the protection of the optimal patent length from the angle of ecomomics with the help of the length benefit curve and the Nordhaus basic model. 摘要文章从经济学角度出发，通过期限收益曲线模型和诺德豪斯的基本模型，对专利最优保护期限进行了分析；