ecomomics

常見例句

• 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.
  摘要文章從經(jīng)濟學(xué)角度出發(fā)，通過期限收益曲線模型和諾德豪斯的基本模型，對專利最優(yōu)保護期限進行了分析；
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