slow time scale 慢速时标 ; 慢速标度
Then, through solving the slow time-scale problem by optimal control theory, the optimal reduced-order reference trajectory is obtained.
然后，应用最优控制理论得出慢时间尺度上的解，并将其作为降维后的最优参考轨迹；
But for a multi time scale power system, existence and fundamental characteristics of fast manifolds must also be studied in order to obtain the model reduction condition of fixing slow dynamics.
但对于多时间尺度的电力系统模型降阶问题而言，还必须研究快流形的存在性及其基本特征，以给出固定系统慢动态的降阶条件。
At the same time, the disadvantage of the ANN scale too large and the speed of classifiable identification too slow and so on are overcome too.
同时克服了神经网络规模过于庞大及分类识别速度慢等缺点，取得了减少分类过程中模式匹配搜索量的良好效果。
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