[2.1 专利文献资源](2-7-2.1%E4%B8%93%E5%88%A9%E6%96%87%E7%8C%AE%E8%B5%84%E6%BA%90.md) [2.2 非专利文献资源](2-7-2.2%E9%9D%9E%E4%B8%93%E5%88%A9%E6%96%87%E7%8C%AE%E8%B5%84%E6%BA%90.md)