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1·Signaled by periodic time interval.

由定时时间间隔触发信号。

2·But, this program can keep spoofing continuously with a periodic time.

但是，这一计划可以继续欺骗不断与定期的时间。

3·The robust stability condition of periodic time variant system is derived.

推导了周期时变系统的鲁棒稳定性条件。

4·This paper describes the sequence time constraint and periodic time constraint.

该文就连续时间约束和周期时间约束进行了描述。

5·Xiaoming SU, Qingling Zhang, Periodic Time Varying Descriptor Systems, Science Press, 2006.

苏晓明，张庆灵，广义周期时变系统，科学出版社，2006。

6·In the near future at clustering periodic time series data study up have more and more extensive trend.

近期在周期性时间序列资料分群研究上有越来越广泛的趋势。

7·Because of the meshing stiffness of a gear pair, the governing equation denotes a linear dynamic system with periodic time-varying coefficient.

由于齿轮副啮合刚度的影响，动力学方程序代表了一个具有时变系数的线性动力系统。

8·The skid bank fatigue life test of automobile transmission assembly has a long periodic time, which should go on under certain temperature and load.

变速器总成台架疲劳寿命试验周期长，并且要求其在一定温度、载荷下进行。

9·By the discretization of spatial variable in the equation, a third-order differential system of equations containing periodic time-varying coefficient is derived.

采用微分求积法对方程中的空间变量进行离散，得到仅含有时间变量的三阶周期系数微分方程组。

10·The method of discrete spectral line identification presented in this paper applies to the precise spectral analysis of all kinds of periodic time domain signals.

本文提出的分立谱线辨识方法普遍适用于各种周期性时域信号的精密谱分析工作。

周期

1·The skid bank fatigue life test of automobile transmission assembly has a long periodic time, which should go on under certain temperature and load.

变速器总成台架疲劳寿命试验周期长，并且要求其在一定温度、载荷下进行。

2·The zero transfer point can be set arbitrarily by appropriately selecting transmitting periodic time T and number N, and it is advantageous to eliminate some interference in some frequency points.

适当选择发射周期T和周期数N就可以随意设置梳状滤波器的零传输点，有利于消除某些频率的干扰；