Secondly, Aiming at classical mathematics model of Multi-machine System, state equation and transient energy function are putted forward in the center of angle.

针对多机系统的经典数学模型，给出多机系统在角度中心下的状态空间方程及其暂态能量函数。

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Firstly, the paper models the multivariable discrete state-space model of the air transmission unit by the lab method, using multi-dimensional inverse m series as input stimulus signal.

首先利用多维逆m序列作为激励输入信号，用实验法建立出空气传送部分的多变量离散状态空间模型。

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An equation for pavement rutting depth under multi-load is derived by using Ohio state permanent deformation model.

利用俄亥俄州永久变形模型，推导出用于求多级荷载下路面车辙深度的计算公式。

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But the decision paid off and allowed NTC to move beyond our first plateau to build the necessary infrastructure to support a complex, multi-state, and even international business model.

FORBES: To Transform the U.S. Education System, Focus on Teacher Effectiveness