2. You can directly enter the content in the search bar of HowNet homepage to search, or you can select the full text, subject, title, author, abstract, etc. , and then enter keywords to search, or click Advanced Search on the right to filter the detailed conditions.
3. Advanced search: In addition to inputting related words, you can also select frequency, including relationship, time, etc. You can choose the database on the left.
4. Professional search: enter professional search expression to search, and you can select time and periodical source.
5. Author's post search: by inputting information such as the author and the author's unit, search the database for relevant documents made by the author.
6. Sentence retrieval: By inputting related sentences for retrieval, you can retrieve documents containing the sentences in the same sentence or paragraph.