The model has an especial structure and the gray numerical arithmetic to solve this kind model is given.
该模型具有一种特殊的结构，并且给出了求解这类模型的灰色数值算法。
As compared with computer numerical arithmetic, the new formula has smaller relative error and broader application scope.
新计算公式与计算机数值算法比较，相对误差较小，且适用范围大，可供有关工程人员参考使用。
The directions of further research on the phase field method are aimed at better numerical arithmetic, more precise model, 3d quantitative simulation and utility.
以后进一步研究的重点方向是更优的数值算法、更精确的数值模型、三维定量模拟以及实用化研究。
The results of verifying calculation show that the analytic formula has smaller computational error as compared with computer numerical arithmetic, and therefore it is practical.
验证计算结果表明：解析公式与计算机数值计算法结果相比较，计算误差小，具有实用价值。
The results of verifying calculation show that the analytic formula has smaller computational error as compared with computer numerical arithmetic, and therefore it is practical.
验证计算结果表明：解析公式与计算机数值计算法结果相比较，计算误差小，具有实用价值。
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