Problem-solving has been an international mathematics education research hot spot.
问题解决一直是国际数学教育研究的一个热点。
Since the later of 70's, the research of the chaos systems has become one of the hot problem of scientific fields, received the extensive attention of mathematics, physics, mechanics researcher.
自70年代后期以来，混沌系统的研究成为科学界热点问题之一，受到数学、物理、力学科研工作者的广泛重视。
Mathematics model provides a pattern of thinking, description, processing and problem solving, which is the commonly used method of scientific research.
数学模型提供了一种思考、描述、处理、解决问题的模式，这是科学研究常用方法；
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