Fills the interior of an ellipse defined by a bounding rectangle specified by a pair of coordinates, a width, and a height.

填充边框所定义的椭圆的内部，该边框由一对坐标、一个宽度和一个高度指定。

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Then, the forced sloshing in a two-dimensional rectangle box is simulated, and the time course of pressure at different height of the wall was gotten and compared with that of experimental result.

然后模拟了二维矩形液箱做简谐横摇运动引起的液体受迫晃荡，计算结果以箱壁不同高度处的压强时间历经给出，并与实验结果进行了定量比较。

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Draws an ellipse defined by a bounding rectangle specified by a pair of coordinates, a height, and a width.

绘制一个由边框(该边框由一对坐标、高度和宽度指定)定义的椭圆。

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