应用龙格库塔法解非线性方程得到了该问题的数值解，给出了圆柱体随着柱体高度的直径变化曲线。

The numerical results of the nonlinear formula were obtained by Runge-Kutta method, and we have also obtained the curve of diameter of the example.

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应用龙格库塔法解非线性方程得到了该问题的数值解，给出了截面高度随梁长的变化曲线。

The numerical results of nonlinear formula were obtained by the Runge-Kutta method, and we have also obtained the curve of the height of the example.

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产品从玻璃纤维拉丝、解、捻、造、塑、装、成一条龙的生产格局。

The production line is from pulling glass, neturning, combining, weaving, plastic coating, packing.

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