战略通常进行逼近目标的努力。

A Strategy usually channels efforts towards those Goals.

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稀疏贪婪优化直接逼近目标函数的下降，因而可以明显地减小目标函数。

Sparse greedy optimization directly approximates the improvement of the objective function and thus can significantly decreases the objective function.

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采用埃尔米特插值多项式代替泰勒展开式逼近目标函数，极大地降低了高阶交叉灵敏度的阶数。

Adopting the Hermite polynomial instead of the Taylor polynomial can greatly decrease the order of high-order cross sensitivity.

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