截断，连分数可以给你一个最佳有理逼近。
Truncating that continued fraction can give you a best rational approximation.
结果经过绘制受试者工作特征（ROC）曲线，血液动力学检测预警卒中的最佳积分值截断点应为75分以下。
Results Score of optimal cut off point of cerebral vascular hemodynamic indexes was under 75 in ROC curve analyses.
在信号的截断分析中，由于原子库中的原子减少，会引起不是最佳匹配的问题。
In the signal analysis of cutting off, it will cause the problem of not the best matching, because of the reducing of the atoms in dictionary.
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