... 关键词： 未知目标函数;;插值多项式;;一阶数值微分公式;;前向差分公式;;计算精度 [gap=823]Keywords: unknown target function;;interpolating polynomials;;first-order numerical differentiation formulas;;for..
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For establishing the optimal target function we use the coordinate values as the unknown variables and thus the calculating formulas are further simplified.
在建立优化目标函数过程中采用座标形式为未知量，从而使计算公式更为简单。
Based on the results of the pretests, the target words were completely unknown to the participants in terms of the meaning, grammatical function, and sentence production aspects.
从前测的结果指出受试者对于主要单字的意义、用法一无所知，也无法造句。
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