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- In the time sequence the trend component and periodical component were considered to make the load forecasting model more coincident with the features of power loads. 同时，时间序列考虑了趋势分量和周期分量，使负荷预测模型更加符合电力负荷特性。
- Considering the effects of the outside factor and the periodic change of the predictand, the multivariate mixed threshold regression model with periodic components is developed. 摘要在综合考虑预测对象的周期变化和前期外部因子的共同作用后，给出带有周期分量的多元混合门限回归模型。
- When early faults accur, the background noise is heavy, it is difficult to extract the latent periodic components successfully using second order cyclostationary analysis alone. 摘要由于噪声的严重干扰，在滚动轴承早期故障时，仅仅利用二阶循环平稳分析方法往往较难成功提取出信号中潜在的有用周期信息。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Identification of Periodic Component in the Signal of Aircraft Flight Vibration 飞机飞行振动信号中周期分量的识别
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- Component to react to periodic events on a server. 组件对服务器上的周期性事件作出反应。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- In this period, unemployment reaches record levels. 这段时间的失业人数又达到了创纪录水平。
- Which period of history are you studying? 你正在学哪一段历史？
