to organize and conduct patent strategy studies;
组织开展专利战略研究工作；
In the last several decades learning strategy studies have been one of the hottest topics in the field of language learning and teaching.
几十年来学习策略一直是语言教学领域热门研究课题之一。
Based on extension methods, this paper presents the formal conceptions of key problems and key strategy, studies the properties of key strategy, and proposes the basic steps to make key strategy.
本文利用可拓方法，建立了关键问题和关键策略的形式化概念，分析了关键策略的性质，提出了关键策略的生成步骤。
Based on extension methods, this paper presents the formal conceptions of key problems and key strategy, studies the properties of key strategy, and proposes the basic steps to make key strategy.
本文利用可拓方法，建立了关键问题和关键策略的形式化概念，分析了关键策略的性质，提出了关键策略的生成步骤。
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