The relation coefficient between regression equation and oxidation curve is over 0.9 and the rules of oxidation - temperature and oxidation - time are parabolas.
由计算得到的氧化回归方程与氧化曲线的相关系数可达到0.9以上，高温氧化烧损量与温度和时间均呈抛物线规律。
At the same time, homotopy algorithm is applied in the solution of non-linear equation of plane link curve, it enlarges the convergence range of optimization process steadily.
同时，在求解连杆曲线非线性方程组中引入同伦算法，使算法具有大范围收敛性，从而保证了优化过程的稳定收敛。
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