除了被风吹积起来的地方外，积雪只深及小腿。

The snow, except where it drifted, was only calf-deep.

《柯林斯英汉双解大词典》

这两类方法虽然功能强大，但只适用于可积系统，且数学计算非常复杂而不能被大多数人掌握。

Although both of the two method have important learning value, but they are just fit for integral systems and can not be grasped by most people because of the complex calculation.

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设计完成的乘法器只产生9个部分积，有效降低了部分积压缩阵列的规模与延时。

The designed multiplier has only 9 partial products, which effectively reduces the size and delay of compression array.

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