借助拉格朗日乘数法建立增广的目标函数，提出等耗量微增率准则及静态锅炉模型辨识方法，对耗量函数的性质给出了凸性要求。

An enhanced target function is built up via Lagrange multiplier and the principle of equal mini rate of consumption increasement and the method of static boiler model analysis are put forward.

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随后，通过拉格朗日优化算法，找到了平衡编码量和失真大小的宏块的最佳编码模式。

Then we calculate the Lagrangian cost to balance the rate and distortion, by which we can find the best encoding mode.

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运用拉格朗日乘数法，以最大制冷量为优化目标，对该系统进行了优化，得到最大制冷量的一般表达式。

Applying the method of Lagrange multiplier, the system is optimized for maximum cooling rate and gets the rate general expression.

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