But different search engine has different database, different search interface and different rules for searching.
但是不同的搜索引擎具有不同的数据库、查询界面和查询法则。
Literature search for scientific and technical information database to facilitate the construction and maintenance.
为科技情报文献检索数据库的建设和维护提供方便。
The date range of the search for each database should be given.
检索每一数据库的日期范围应当给出。
The date range of the search for each database should be given.
检索每一数据库的日期范围应当给出。
应用推荐