The work of Web crawling or spidering is the essential part of a search engine.
举一反三
- When we enter a query into a search engine, the engine examples its index and provides a listing of best-matching Web pages.
- His first piece of advice is to A: make sure people find you on the search engine. B: make sure people visit the search engine. C: set up a search engine.
- Which type of search engine presents a list of topics or categories from which you select subtopics until your search is narrowed to a list of Web sites? A: Directory search B: Keyword search C: Metasearch D: Reference search
- Diesel engine is an external combustion engine.
- If you want to search for information online you must use a search engine.