The two kinds of deltas are controlled by river types, ground slope, water depth, water density differentia, river sedimentation and lake dispersion.

控制石炭二叠系两类三角洲发育的主要是河流类型、地形坡度、水体深浅、不同水体密度差及河流沉积作用和湖泊的分散作用等。

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The two-phase optimization theory was adopted for designing the sewage pipe, and the ground slope consensus method was used for optimization calculation of rain water pipe.

对污水管道采用两相优化理论设计，对雨水管道采用与地面坡度一致法进行优化计算。

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Jesse made his way down the slope, one hand close to the ground to break his falls.

杰希顺着斜坡向下爬，一只手离地很近，防止自己摔倒。

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"When you get to the top of the wall there is a straight drop, a small flat bit and a slope bringing the ground back to the same level, " he said.

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At the summit of Corcogemore, I could see the land around me roll and slope downward, as if the ground had slid down suddenly and the rocks holding it together made one final grab at staying put.

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And the pace and slope will depend on conditions on the ground, but it will begin.

WHITEHOUSE: Press Briefing