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Moreover, the mean-square tracking error can be made arbitrarily small by choosing some design parameters appropriately. Even with unmodeled dynamics and bounded disturbances presented the controller has good robust performance without need of correct dynamic model and parameter estimation.

并且这种控制器的设计不需要有精确的系统动态模型，不需要未知参数来满足线性依赖条件，不需要具体的系统参数估计，即使存在未建模动态和有界扰动，系统仍然具有很好的鲁棒性。

The text analyses GPS observation model, the characteristic of kinds of errors fountain and the adopting measures in the observation, and processes the thorough research to Bernese GPS Software Ms-Windows Version 4.2. It makes the most stable satellites as the main error. The differential way adopts non-differential way and double differential way. The positioning precision of the single point is decimeter level. RMS is within 0.01~0.02; If the ambiguity right and without week skip, the observation datum of a EPOCH-BY-EPOCH can make the short base line（S0km）positioning precision reach centimeter level.

本文分析了GPS的观测模型、观测量中各种误差源的特点及应采取的措施，并对Bernese GPS Software Ms-Windows Version 4.2 软件进行了深入的研究，它是以最稳定的卫星作为主差，采用非差和双差两种差分方法，单点定位精度在分米级，RMS能在0.01~0.02以内；在模糊度已求解正确条件下，若没有周跳，一个历元的观测数据就可以使短基线（S0km）定位精度达到厘米级。

In their economics- development planning which bespeak the petrol expense is error of structures of resources expense, single-supply source and potential frailty. It was without doubt that potential negative factors for safety of energy resources of China.

中国的经济发展计画，预约了对於石油的消费，其能源消费结构的错置与供应来源的单一性以及潜在的脆弱性，对於中国的能源安全来说无疑是一个潜在的负面因素。

Option A, B, C, D and F achieved success rates of 100%, without causing users to make a single error.

ABCDF 表单的成功完成率是100%，并且完成的过程中，用户没有任何一个失误。

Corresponding compensation algorithm without cumulative error was proposed to improve the rotating motion precision with consideration of both accuracy and efficiency. Experiments were carried out and the results bear out the claims with the standard deviation of residual errors decrease by 47.4%.

在兼顾精度和效率的基础上提出了相应的无累积误差的补偿算法以提高误差补偿精度并进行了实验，使补偿后的残留误差标准差减小了47.4%，表明该方法可有效提高回转关节位置精度。

Think, first, of that dreadful abyss of ignorance from which all error flows and so engulfs the sons of Adam in a darksome pool that no one can escape without the toll of toils and tears and fears.

首先，想想那可怕的愚昧之渊，这里谬误横生，将亚当的子孙们淹没于黑暗的泥沼之中，任何人若不付出劳碌、泪水和恐惧的代价均无法脱身。

Think, first, of that dreadful abyss of ignorance from which all error flows and so engulf s the sons of Adam in a darksome pool that no one can escape without the toll of toils and tears and fears

首先，想想那可怕的愚昧之渊，这里谬误横生，将亚当的子孙们淹没于黑暗的泥沼之中，任何人若不付出劳碌、泪水和恐惧的代价均无法脱身。

Firstly, chaotic kinetic characteristic of Kent mapping is analyzed, using it to encrypt watermark image; Secondly, an algorithm of only modifying the decimal part of DC components is given, bringing the least error, effectively solving the problem which embedding watermark in DC components is easy to the image's block effect; Watermark is extracted without original image utilizing two-bits algorithm.

深入分析了帐篷映射的混沌动力学特性，并将其应用于水印图像的预处理；在分析了 DCT域嵌入对策的基础上提出了一种只修改 DC 分量小数部分的嵌入算法，引入的误差小，有效的解决了以往人们在 DC 分量嵌入水印容易引起图像块效应的问题；检测过程中利用二值离散算法使得水印提取时无需原始图像。

A bad sector disk error occurs only after you've done several hours of work without performing a backup.

坏扇区磁盘错误只发生在您做了不执行备份工作几个小时。"/页"

Stops a sequence of events without displaying an error message dialog box.

停止一连串的事件时不显示错误信息对话框。

I can still vividly recall the impressive scenes you gave. You were among my friends and relatives who accompanied me from my house to the seaport and when the porters were slow to show up, you obligingly carried my suitcase for me.

你对我的种种感人情意，使我记忆犹新，那天你随着我的亲友从家里送我上轮船，搬运工迟迟不来，你毅然替我提着皮箱上船。

St. Nicholas became the patron saint of Russia, where he was famous for his red cape, flowing white beard, and bishop's mitre.

圣尼古拉成了俄罗斯人的守护神，在那里，他以身披红斗篷，留着飘逸的白胡须，戴着主教法冠而闻名。