Comparing with other methods indicates this method can design optimal L_1-controller which is low-order, rational and fit for multi-block problem.

通过与其它L_1控制器设计方法的比较，表明该方法能方便、有效地设计出低阶有理的并且适用于多块问题的L_1最优控制器。

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This paper analysed the theoretical shortcoming of the conventional method solving the oblique plane-block problem. The applicable range of Coulomb's friction Law in the fundamental problem are given.

本文分析了斜面-滑块问题现有解答的理论缺陷，得出了库仑静滑动摩擦定律在这一基本问题中的适用范围。

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The problem caused by scripts is that they block parallel downloads.

脚本引起的问题是他们砌块并行下载。

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One problem is that the block's two largest members have such different currency regimes: Brazil's floating (or sinking) real has lost over 40% of its value since its forced devaluation in 1999, whereas Argentina's peso is pegged to the dollar.

ECONOMIST: Another blow to Mercosur

Another problem is that Windows Phone is the new kid on the block.

FORBES: There's A "Deep And Stable Lack Of Consumer Interest" In Windows Phone, Claims Analyst

Fifty bitcoins are released when that block is done and the work, which involves solving a hard mathematical problem, is completed.

BBC: Rewards set to halve for digital money miners