2. The browser jumps to the advanced search page, enters the condition information to be searched, and then clicks "Search".
3. By obtaining the retrieval results, we can get a general understanding of the subject distribution of the retrieval content and the distribution of the writing years of the paper.
4, check the need to view or download the literature, select the export icon in the upper right corner of the search results.
5. The summary of retrieval results is downloaded in Excel format and can be opened for viewing.