The finite element method is applied in this paper to the calculation of the gravity anomaly for the two-dimensional body, which has arbitrarily shape and homogeneous density in each element.

本文用有限单元法计算形状任意、密度分块均匀的二维物体的重力异常。

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While skin is fairly two-dimensional and can easily be placed on a body, three-dimensional organs present a different challenge.

皮肤大致上是二维的，可以简单地放在身体上，但三维的器官提出了不同的挑战。

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Painted skin perceptually dissolves the body into a two dimensional caricature.

被描画的皮肤柔顺地使模特的身体融入到二维的画作中去。

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