STD总线是面向工业控制的计算机内总线系线，在计算机实时控制领域得到广泛应用。

STD bus is an industrial Computer control parallel internal bus. It is widely used in the field of real-time control.

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本文讨论不确定性系线最优调节器(LQR)的鲁棒稳定性问题，并提出了一种新的评价系统鲁棒稳定性的指标。

In this paper, a study on robust stability of linear quadratic regulator (LQR) problem in the case with uncertainties is performed. A new robustness measure is proposed.

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他们吃力地走到通道的另一端，系好风筝线，然后继续往前走。

They toiled their way to the farther end of the tunnel, then made their spliced kite-strings fast and moved on.

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All right. The other thing I have to teach you is matter-energy interaction so that we can see how the Balmer series validates the Bohr model.

好的，我要教你们的里一个知识点是,物质能量的相互作用，我们可以见证,巴尔末线系是怎样证实波尔模型的。

麻省理工公开课 - 固态化学导论课程节选