1) two step reduction
两步缩小
3) two minimization steps
两步极小
1.
After having reviewed the basic collocation theory, the principle of the collocation by two minimization steps is introduced.
根据拟合推估两步极小解法的基本原理,将随机场分为趋势性和随机性两部分,对趋势性部分采用函数模型拟合后,用剩余残差拟合随机性信号协方差函数,再求解趋势性模型参数和随机信号。
4) one step reduction
单步缩小
5) two-stage size-reduction,two-step contraction,two-step reduction
两级缩小<复>
补充资料：三步两脚
1.快速行走貌。
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参考词条