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In this report, the intercomparison of radionuclide measurement with γray spectrometer for environmental samples organized by State Environmental Protection Administration recently was introduced.

介绍了国家环境保护总局组织的一次全国环境样品放射性核素γ谱测量比对。

Junsheng owns a high quality team with energy, efficient coordination, striving for progress and strong responsibility sense. This team has organized and sponsored lots of exhibitions from home and abroad, has abundant experiences of demonstrating, planning, operating and executing of exhibitions. At home and in the world, Junsheng establishes strategic relationship with many authoritative institutions and internationally-known exhibition companies well.

君升公司拥有一支富有活力、高效协同、锐意进取、责任感强的高素质专业人才队伍，这支队伍具有丰富的国内外办展、组展经验，对展览项目的论证、策划、运作、执行及管理有着丰富的经验，并与国内外众多权威行业机构和国际知名展览公司建立了良好的战略合作关系。

It is an internationally organized, non-profit corporation that has responsibility for Internet Protocol address space allocation, protocol identifier assignment, generic and country code Top-Level Domain name system management, and root server system management functions.

它是非盈利的国际组织，负责因特网协议地址空间分配，协议标志符分配，国家和地区代码顶级域名系统管理以及根服务器系统管理功能。

A dramatic reorganization of interpolar microtubules into a highly organized central spindle between the separating chromatids is required for the initiation and execution of cytokinesis.

在向两极分离的染色单体之间的微管很规律地重组成高度有序的中心纺锤体，这是开始和进行胞质分裂的必要条件。

A dramatic remodeling of interpolar microtubules into an organized central spindle between the separating chromatids is required for the initiation and execution of cytokinesis.

因此为了保证有丝分裂期核内事件的准确进行，在间期，对相关的重要蛋白质的核内稳定性的准确调控尤其重要。

Fostered talent the school to be honored participation has organized the relation and the English Oxford county by the Changsha Bureau of Education "the regional interscholastic relation project", The active goal lies in promotes between China and Britain's language study and the cultural exchange, Creates the cultural understanding and the language study opportunity for our teachers and students, Meanwhile widens our school mentality through the share best experience, Promotes our education educational reform.

育才学校荣幸地参与了由长沙市教育局组织联系的与英国牛津郡"区域性校际联系项目"，活动的目的在于推广中英之间的语言学习和文化交流，为我们师生创造文化认识和语言学习机会，同时通过分享最佳经验来开阔我们的办学思路，促进我们的教育教学改革。

Student athletics, both organized and intramural, are an important part of student and alumni life.

对于学校的学生和毕业生来说，运动比赛在生活中占有重要的位置。

In our thesis, contents are organized as following In Chapter 1 we present our topic's internal and overseas research situations, theoretical and practical significance, and introduce the research object and contents, and the main contributions of this dissertation. Chapter 2 reviews the development of the stability results for nonlinear systems and some relevant recent results, which include Lyapunov and LaSalle-Yoshizawa theorems for nonlinear systems, and stochastic edition for stochastic nonlinear systems. Sontag's formula for systems affine in control is presented in the frame of CLF. The concepts of disturbance attenuation and the inverse optimality are also explained in this Chapter. In chapter 3 we present the solvable theorem of inverse optimal gain assignment problem, design the inverse optimal controller and the inverse optimal tracking controller for strict-feedback nonlinear continuous systems with unknown time-varing bounded disturbances and constant unknown parameters using an adaptive backstepping algorithm, which are nonlinear, continuous and are easier to realize. These designs are fully systematic and the algorithm can be directly coded in symbolic software. The results of simulation show the effectiveness of the control algorithms.

论文的结构如下：在第1章中，给出了本文研究课题的研究现状、理论意义和实际应用，并介绍了本文的研究对象、研究内容以及主要贡献；在第2章中，针对确定性非线性系统和随机非线性系统，分别介绍了Lyapunov定理、LaSalle-Yoshizawa定理及其随机版本；对仿射系统，在控制Lyapunov函数框架下，给出了Sontag公式；同时给出了非线性系统扰动抑制和逆最优控制问题的基本概念；在第3章中，针对具有未知时变有界扰动和未知定常参数的一类不确定非线性系统，给出并证明了逆最优增益配置可解定理，使用自适应Backstepping算法和均值定理，系统地设计了自适应逆最优控制器和逆最优跟踪器，这种设计方法可同时获得逆最优控制策略和自适应律，简单明了，仿真结果表明该控制算法的有效性，并给出了性能估计。

The Mongols burst out of their obscurity into history in the early thirteenth century when Temujin ("Ironsmith"), a tribal leader, united a number of loosely organized tribes into a single, disciplined force

13世纪初，部落首领铁木真把几个松散的部落联合起来，组成了一支统一的、有纪律的队伍，从此蒙古人从默默无闻中脱颖而出，载人史册。

The Congress you have organized was the best of all ISD Congresses - as I could hear from everybody!

你们组织的大会是所有国际皮肤科学会会议中最好的-正如我从所有参会者那儿听到的那样！

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。