This paper also made some sugg…

本文还就这一问题提出了有关建议。

Study Materials of Intermediate Applied Microeconomics sugar sugg sol.

麻省理工学院中级应用微观经济学学习资料。

The authors introduce three existing Internet knowledge search engines from aspects of the page, category and show their shortcomings by case retrieve while making some improving sugg…

从页面设置、类目设置等方面介绍国内现有的三家互联网知识搜索引擎，并通过检索实例提出不足之处及改进建议。