第三部分介绍新颖性判断中涉及到的四个基本概念：现有技术、抵触申请、对比文件和等同替换。

The third part introduces the four basic concepts involving novelty judgment such as prior art, conflicting applications, cited relevant documents and substitution to same object.

youdao

因为我同时申请了2011年的课程，有一些课程时间抵触，所以在礼拜4上午三四节的白话课我不克不及去上。

Because I also apply for the 2011 course, there are some curriculum time conflict, so in 4 weeks the morning of the three or four day of oral English class I can't go on.

youdao