The methods for USPTO patent database searching were introduced by examples, so as to be used to search patents in United States.
通过对美国专利商标局（USPTO）专利数据库检索过程的实例说明，介绍该专利网络检索方法，供用户在检索美国专利文献时参考与使用。
The article discussed the searching methods of Science Citation Index Database.
本文讨论了《科学引文索引》数据库的检索技术。
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