Because the renewal of concept will make the teaching object more distinct, and new teaching methods is helpful to develop the internal consciousness and interest on the studying of speciality.
观念的更新使教学目标更加清晰，教学的方法有助于学习专业内在意识与兴趣的培养。
This review focused on the concept and studying methods of root activity patterns and their applications in cropland scientific management.
综述了根活性格局的概念、测定方法及其在农田科学管理中的应用，并对相关研究进行了展望。
This paper deals with the concept, significances, studying methods and future trend of organic metallogenic fluid.
介绍了有机成矿流体的概念、研究意义、研究方法及其发展趋势。
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