他还提出了一个管理“新态”的四步法。

He then provides a four - step guide to managing nescience.

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于是人们提出了许多快速搜索算法，包括三步法、新三步法和四步法等，这些算法在满足一定精度的条件下可以大大减少运算量。

Many fast block-based motion estimation algorithms have been proposed to reduce the computational complexity, for examples, three-step search, four-step search, new three-step search, etc.

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