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In FJR control literature, integral manifold approach, observer approach and back-stepping are the most popular methodologies.

在柔性关节机器人控制领域，采用的最多的是积分流形、观测器及back-stepping方法。

Nonlinear adaptive back-stepping tracking control for permanent magnet linear servo motor based on tuning function is addressed.

对永磁直线伺服电动机提出基于调整函数的非线性自适应Back-stepping跟踪控制。

First, we consider nonholonomic chained systems with modeling error, in this section,based on back-stepping , using the so-called adding a integrator , state-scaling technique , we design discontinuous feedback law,such that the trival solution of the closed-loop systems global strong stable; Second,we consider high-order nonholonomic chained systems with modeling errors and external disturbances, in this section,using input/state-scaling and integrator backstepping methods , we design discontinuous feedback law and give out the switching strategy, such that the closed-loop systems global /C-exponential stable; Finally, we consider a class of more general power chained form systems with particular drift-terms, in this section , using Lyapunov method, we design time-varying feedback law , such that the closed -loop systems p—exponential stable.

第一部分考虑的模型为带有模型误差的高阶非完整链系统，我们运用加幂积分器、State-scaling技巧以及基于Back-stepping方法构造出不连续反馈律，从而使得所讨论系统的闭环系统的平凡解全局强稳定；第二部分考虑的模型为带有模型误差的不确定高阶非完整链系统，这一部分我们运用input／state scaling和integrator backstepping方法构造出不连续反馈律，并给出切换策略，使得所对应的闭环系统全局κ-指数稳定；第三部分考虑的系统是形式更为一般的且带有特殊形式漂移项的幂链系统，利用Lyapunov函数方法，设计出时变反馈律，从而使得相应的闭环系统ρ-指数稳定。

METAL FANS \ 歌迷 Excited fans of heavy-metal rock band Iron Maiden screamed during the band's "Somewhere Back In Time" tour stop in Alajuela, Costa Rica, Tuesday.

&铁娘子&重金属乐队周三在哥斯达黎加阿拉胡埃拉举办&Somewhere Back In Time&主题巡回演出，照片中的人是兴奋的歌迷。

In this article, a new multigrid method for solving p-Laplacian equations is proposed based on the existing multigrid method: FAS multigrid method and Cascade multigrid method. This method is a combination of Cascade method and a new method named "back" method.

本文主要研究现有的几种求解p-Laplace方程的多重网格方法：FAS多重网格方法和Cascade多重网格法，并在此基础上提出了一种新的求解p-Laplace方程的多重网格方法：Cascade-back方法。

You may have a number of Back Buffers, this is known as a "Swap Chain".

你可能有很多的Back Buffer，这又称为&Swap Chain&。

You may have a number of Back Buffers, thellos is known as a "Swap Chain".

你有可能有很多的Back Buffer，这又称为&Swap Chain&。

You may have a number of Back Buffers, this is known as a "S wap Chain".

你可能有很多的Back Buffer，这又称为&Swap Chain&。

Anna were knocking back vodkas like there was no tomorrow.

&这句话中，用到了一个俚语词组--&knock back&。它的意思是&狂饮，暴饮。

First, we show that for small c, as many snap-back repellers as possible can be obtained.

当c很小的时候，我们可以尽可能的找到snap-back repellers.2。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。