In a database, there are usually two ways of search, i.e., basic search and a_________ search.
举一反三
- There are two approaches to searching for a plan, one is ________________ search, and the other is backward relevant-states search.
- In a Boolean search, joining two terms with OR narrows the search. A: 正确 B: 错误
- If the search is to sequentially expand the nodes through a program close to the starting node, this search is called deep search.
- OVID-medline数据库有哪些检索方式( )。 A: Basic Search B: Search Tools C: Advanced Search D: Search Fields
- In a Boolean search, joining two terms with “and” broadens the search .