不管羽毛进化的起初目的是什么，总之它们又经历了上千万年的时间才承载着某支恐龙谱系开始翱翔于蓝天。
Whatever the original purpose of feathers, they were probably around for millions of years before a single lineage of dinosaurs began to use them for flight.
在自闭症谱系障碍患儿组中，无论这些孩子是否有语言障碍，这种延迟时间都差不多。
Among the group with ASDs, the delays were similar, whether or not the children had language impairments.
系统提取的音频信号特征为线性预测美尔倒谱系数（LPCMCC），采用动态时间规整（DTW）的识别算法。
The audio signal feature, in this scheme, is the LPC Mel Cepstrum Coefficient (LPCMCC) and recognition algorithm is Dynamic Time Warping (DTW).
系统提取的音频信号特征为线性预测美尔倒谱系数（LPCMCC），采用动态时间规整（DTW）的识别算法。
The audio signal feature, in this scheme, is the LPC Mel Cepstrum Coefficient (LPCMCC) and recognition algorithm is Dynamic Time Warping (DTW).
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