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如果你已经知道你要检索信息的几个关键字,一切都便当多了。你只需要用下面的查询工具。 1.All-in-one Search Page 2.Altavista 3.Configurable Unified Search Interface(CUSI) 4.Discovery Channel Online Tools
If you already know a few of the keywords you’re about to retrieve, everything is easier. You only need to use the following query tool. 1.All-in-one Search Page 2.Altavista 3.Configurable Unified Search Interface (CUSI) 4.Discovery Channel Online Tools