Even toymakers have noticed the trend-the Discovery DNA Explorer, suitable for those over ten years old, helps children extract and map DNA.
就连玩具制造商都察觉了这个趋势。“发现DNA探索者”是一种适合10岁以上儿童的玩具，它能帮助孩子们提取和绘制DNA图谱。
The existing algorithms to extract trend features based on time series piecewise linearization representation cannot extract completely correct basic trend features of time series.
根据新的目标函数，设计了一种重要点和自底向上分割相结合的时间序列分段线性化趋势特征提取方法。
It also can process the stored data in time-domain, frequency-domain and amplitude-domain so as to extract signature, analyze trend and locate the fault.
对存储的数据可在时域、频域、幅值域进行特征提取、趋势分析以判定故障的位置与性质。
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