It was found from the tectonic information of upper and middle crust that the conjugate feature of earthquake tectonics is obvious in this region.

由获取的中上地壳构造信息发现，本区具有清楚的共轭地震构造特征。

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Isostatic gravity anomaly shows the character of middle - short wavelength, reflects unbalance of crust and upper mantle and dynamical character of substance adjusting.

均衡重力异常显示出中短波长特性，反映的是地壳上地幔物质分布的失衡和物质调整的动力学特征。

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The amphibolite xenoliths were from the upper part of lower crust and the lower part of middle crust, bring up to the shallow area of crust .

角闪岩包体来源于下地壳上部-中地壳下部位置，被上升岩浆带至地壳浅部。

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In the high Middle Ages, chess became a popular pastime for the upper crust, both men and women.

ECONOMIST: Women in chess