The theoretical and practical study on the inquiry learning of mathematics which is based on these phenomena should be considered as the breakthrough of the paper.
基于对窄化和泛化现象的反思，进行数学探究学习的理论构建和实践探索，是本课题研究的突破口和推进轴。
These researches are based on institutional analysis and describe economic phenomena aggregately; as a result, many of them came up with identical Suggestions.
这一研究思路基于制度分析，通过总量描述经济现象，提出的政策建议多有雷同。
We analyze the general negative phenomena in multimedia education, based on these problems we propose our view on · multimedia education and schemes to improve the quality of education.
本文对多媒体教学中普遍出现的负面现象进行分析，针对这些现象对多媒体教学提出了一些看法，并提出方法改进教学质量。
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