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。
The concept, characteristics and methods of computer countermeasure in military field are discussed and four opinions about studying application of military computer countermeasure are proposed.
主要讨论在军事领域中的计算机对抗概念、特点、实施方法，并提出了作者对开展计算机对抗在军事领域的应用研究的四点看法。
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