概略的教育学研究并没有提供一个明确的指导方案，这是各式各样“良好学习习惯“的理论产生的部分原因。
Such theories have developed in part because of sketchy education research that doesn’t offer clear guidance.
本文概略介绍我省煤层气勘探及研究工作进展情况，强调云南丰富的煤层气资源，应是云南的资源优势。
In this paper, we outline the progress of seam gas exploration and study in Yunnan and emphasize the superiority of abundant seam gas resources of Yunnan.
首先概略地介绍了国内外具有较高理论价值的重磁勘探正反演理论前沿性研究成果，并给予了适当的对比评述。
The paper summarily introduces the advanced research results which are of theoretical importance in the forward and inverse problems in gravity magnetic exploration, and provides an adequate review.
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