统计特征提取技术是建议，以便找到一种趋势，检测的缺陷。
A statistical feature extraction technique is proposed in order to find a trend in detection of defects.
速度欺骗干扰因信号调制较为复杂，难以用统计特征提取方法来实现抗干扰。
The signal modulation of velocity deception jamming is complex, and it is hard to complement anti jamming using the statistical feature extraction method.
临床医学中常需要对复杂的面部形态进行三维特征提取，并按照统计学的方法，对多个特征变量进行统计学分析。
Three dimensional character acquisition of complicated facial modality is needed in clinical environment, and multi-characteristic variables need to be analyzed according to statistics methods.
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