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For some special cases, the paper gives some important identical theorems, and then establishes a valuable relation between the uniformly almost periodic functions and the trigonometric polynomials.Secondly, on the basis of the identical theorem, the paper investigates the Fourier series of the uniformly B2 almost periodic functions, and further proves that the series is unique.Thirdly, the paper discusses the Parseval equation of the uniformly B2 almost periodic functions, which establishes the relation between these functions and the coefficients of their Fourier series; and next investigates an important approximation theorem-Riesc-Fischer theorem, about the uniformly B2 almost periodic functions and the trigonometric polynomials.

并给出了特殊情况下的几个重要的恒同定理，将一致概周期函数与有限三角多项式联系起来；第二，在恒同定理的基础上，给出了一致B~2概周期函数的Fourier级数，并且级数是唯一的；第三，讨论了一致B~2概周期函数的Parseval方程，建立了函数与其Fourier级数的系数之间的联系；接着给出了关于一致B~2概周期函数和三角多项式之间的一个重要近似定理—Riesc-Fischer定理。

Secondly, using the relation between the weighted modified K-functional, the weighted modulus of smoothness ,the weighted main-part modulus of smoothness . we get the pointwise direct and inverse approximation theorem with Jacobi weight for Szdsz-Kantorovich operator. Thus some results on w = 0w(x denotes the weight function, Ditzian-Totik modulus and classic modulus are extend.

其次，引入一种改变的带权K-泛函，利用带权光滑模和带权主部光滑的关系及带权光滑模与改变带权K-泛函的等价性，关于Szász-Kantorovich算子，讨论了一阶矩不为零的算子的点态带Jacobi权逼近正定理及等价定理，推广了已有的权为零及Ditzian-Totik光滑模和古典光滑模的结果。

Firstly,the emphysis of culture research has transformed from apriorism into objective reality.Secondly,the purpose of culture research has transformed from cognition of culture into application of culture.

从方法论上看，文化研究的范式转变体现了方法论上的进步，主要表现在以下几个方面：一是文化的研究重心从先验的抽象实体转向现实的生活实践，二是研究的目的从单纯的文化认识转向文化的应用，三是研究视野从地域性文化转向全球性文化。

Secondly, you need to have an aptitude for the business.

其次，你需要有天分的生意。

Secondly, we conducted an in vitro experiment to simulate the growth of aragonite on nacre surface via the vapor diffusion method in the absence of any other additional additives.

其次，本文采用传统的气相扩散方法，在没有任何添加剂的溶液中，进行了珍珠质基底上CaCO_3晶体的体外沉积实验。

The article advanced some methods on how to solve this kind of problems. Firstly, help the students find their confidence. Secondly, let the students who are arbitrary know the value of the friendship. Thirdly, let the students who are cowardly be brave.

本文结合部分学生存在的心理问题，探索了对盲生进行心理健康教育的方法：首先是让自卑的盲生找回自信；其次让"霸气"的盲生懂得友谊的可贵；再次是让胆怯的盲生大胆起来。

Carry on secondly the discard recovery make use of, reducing arboreal to the forest of chop down.

其次，要进行废物回收利用，减少对森林树木的砍伐。

Secondly, the problem of path planning for arc welding robot system was proposed and described in mathematics.

其次，提出了机器人焊接的路径规划问题，并进行了数学描述。

Secondly, the archaeologist for us to depict scenes of life in Beijing.

其次，考古学家为我们描绘了北京人生活的场景。

Firstly, the advanced control strategy and the theory of embedded operation system was introduced. Secondly, the whole realization architrave of the system was brought forward, including hardware and software. Concrete realization was detailedly presented.

论文首先对各种先进智能控制技术和嵌入式操作系统的原理进行了介绍，在此基础上确定了整个实验系统的总体实现框图和流程图，并对系统的具体实现进行了详细地介绍。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。