On the basis of analyzing mechanical situation of floor strata of roadway driving along goaf in fully mechanized sub level caving face, a mechanical model was established.

在分析综放沿空掘巷底板力学环境的基础上，建立了底板力学分析模型。

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To add emphasis, the color and font weight is changed for this list item and any sub-level list items within it.

为了增强效果，我们修改了这个列表项和其中任何子列表项的颜色和字体粗细。

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The styling for the sub-level list items is also changed so that the background images used to create bullets appear in a corresponding color.

还改变了子列表项的样式，让用来创建符号的背景图像显示为对应的颜色。

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In July 2007, the index was ascending from a sub-10 level in November 2006.

FORBES: By Todd Salamone

It operates on a sub-regional level and involves five countries: Mauritania, Senegal, Gambia, Guinea Bissau and Cape Verde.

UNESCO: THEMES

Advocacy for a Clean Energy Policy at national and sub-national level.

FORBES: Apple Falls Down The Rankings: But We Should Praise RIM