Create two more smaller ellipses with Linear Gradients matching the highlight gradient.
创建两个更小的椭圆与线性梯度相匹配的突出梯度。
Linear equations of sparse matrix are solved by Biconjugate Gradients Stabilized Method and nonlinear algebraic equations are solved by parameter-regulated iterative procedures.
稳定化双共轭梯度法用于求解稀疏线性方程组，可调节参数的修正迭代法用于求解非线性代数方程组。
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