级数的

Finally, to explain the advantage and shortcoming of nonparametric analysis and parametric analysis, and introduce some main shapes of nonpametric regression model: Fourier series, kernel estimators, and spline smoothing. In the meantime, we give the approximate theory and approximate distribution theory of these methods.

阐述了非参数回归分析和参数回归分析的优缺点，介绍了非参数回归模型的几种主要形式：富氏级数，核估计量和样条平滑，给出了这些方法的逼近理论和逼近分布情况。

Most of previous studies suffer from choosing improper Fourier series, leading to some incorrect results.

然而，大多数先前的研究选取不适当的傅立叶级数得到不正确的结果。

If the floor were infinite in extent, the mathematical distribution of reflected light could be regarded in terms of a two-dimensional Fourier series.

如果地板的广度是无限的，那么可以用一个二维傅里叶级数来表示反射光的数学分布。

The second kind of parabolic differential equation,multi-dimensional fractional equation,is generalized from the seepage flow.

遗憾的是，大多数分数阶微分方程的解析解都含有复杂的级数或者特殊函数，不利于进行近似计算。

Based on the second-order moment of the power density, the far-field divergence angle of nonparaxial rotationally symmetric Laguerre-Gaussian beams is derived and expressed in a sum of the series of the Gamma function.

基于功率密度的二阶矩方法，推导出了非傍轴旋转对称拉盖尔－高斯光束远场发散角的解析公式，并表示为伽玛函数的幂级数求和形式。

BEIJING, Aug. 25 -- China's draft recycling law has abandoned a progression price markup system on household use of water, electricity and gas because of its impracticality.

北京，8月25日——中国循环经济法草案已经抛弃了在居民对水、电和能源的使用中的按级数涨价的系统，因为它具有伤害性。

This paper is aimed at functions, function and a series of parameter improper integral uniform convergence of discriminate method to make a brief summary.

本文主要是针对函数列、函数项级数以及含参量反常积分的一致收敛的判别方法作出一个简单的总结。

In a multiseries electroosmotic pump, the pressure of a pump can be elevated by increasing the progression of an electroosmotic pump or applied voltage.

在多级串联电渗泵系统中，可以通过增加电渗泵的级数或操作电压来提高泵系统产生的压强，但是单一流路的输液能力有限。

The time may be computed to any desired degree of precision by taking enough terms in the infinite series.

在无穷级数中，取足够多的项，周期的数值可计算到任意的精确度。

Focus on the origin of Weierstrass\' Complex Analysis, considering to external and internal causes are the development of complex function in 19~ century reviewed, and three basic approaches lead to complex analysis, namely, algebraic analysis, integral and geometry are introduced.

指出了德国数学组合分析与古德曼的级数工作以及分析严格化要求的共同影响，构成了魏尔斯特拉斯发展复变函数理论的动机。2。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。