Among all sequence strata of exploration target, it mainly developed medium-coarse clastic arkose in high water system, which overlies and underlies the primary sequence interface as well.

在各勘探目的层层序地层内，主要发育于高水位体系域中中粗粒岩屑长石砂岩发育带，同时也主要位于主要层序界面上下。

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The tendency of primary teachers' view of mathematics in sequence from high to low is: the Platonist, the problem solving, and the instrumentalist view.

小学教师对数学观的倾向程度由高到低依次为：柏拉图主义，问题解决，工具主义。

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