Because the surface of the water table is not flat but instead rises and falls with topography, groundwater is affected by gravity in the same fashion as surface water.

由于地下水位不是平面的，而是随着地形起伏的，所以地下水和地表水一样受到重力的影响。

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Modelling tests are made in this paper to check the error subtraction scheme of the pressure gradient force in models with topography developed by the authors.

本文则用气候模式对作者提出的有地形数值模式中气压梯度力的误差扣除法进行了模拟检验。

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The dynamic concentration phenomena of shear stress, accelerations and velocities are investigated for the area including Beichuan county town with topography surface.

研究了北川县城附近区域的剪应力、加速度以及速度场的动态集中现象。

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Achanakmar-Amarkantak, India located at the junction of hill ranges, with topography ranging from high mountains, shallow valleys and plains.

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The widespread damage to the city has much to do with its topography, or "lay of the land, " English said.

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When we see a notable change in the gravity field, we can sync up this change with surface topography features such as craters, rilles or mountains.

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