During the dinner conversation, it's polite to say the food is nice.

It's an easy matter to observe chromatic aberrations, with a thick, simple converging lens.

用一厚的简单会聚透镜很容易观察色差。

It is suggested that a simple method, based on the residue theory, can be used for the summation of two kinds of convergent series, the theoretical proof of the method is also given.

本文根据残数理论，给出两类收敛级数求和的一种简单方法，并给出了该方法的理论证明。

It is proved that the the infinite sum of the absolute convergent series in the Fuzzy real line does not change after rearrangement, so generalize the corresponding result in analysis.

证明了Fuzzy实直线上的绝对收敛的级数经过重排后其和不变。

The MHD equilibrium solutions of a toroidal plasma with non-circular cross-section and linear current distribution are written in terms of a fast convergent series.

用一个收敛很快的级数构造了非圆截面、线性电流分布环形等离子体的磁流体平衡解。

Optimal Estimation of Remainder r_n in Positive Convergent Series

收敛正项级数余项r n的最优估计

Non-uniformly Convergent Series With Function Terms

非一致收敛的函数项级数

Determination of the mapping function for the exterior domain of a non-circular opening by means of the multiplication of three absolutely convergent series

应用三个绝对收敛级数相乘法解非圆形洞室的外域映射函数

By choosing suitable parameters, several new and convergent series are obtained.

适当选取参数，得出了几个新的收敛级数。

By the cuniform convergent channel die and critical extrusion condition, the properties of PP self-reinforced sheet was studied.

采用楔形收敛流道挤出口模，临界挤出状态下获得了聚丙烯自增强片材。

In conclusion, Fourier transform lens with convergent light illumination is more advanced than 4f system in reducing the aperture.

由此可得出，会聚光照明的傅立叶变换光路，在减小透镜口径方面优于4f系统。

Optical platform in convergent light

会聚光路中的光学小平台

Study on phase retardation of a Wollaston prism in convergent light

Wollaston棱镜用于会聚光束中的位相延迟研究

Interference pattern of convergent light for a uniaxial crystal with optical axis parallel to surface

光轴平行晶体表面时的锥光干涉图

Fourier transform lens used in rainbow holography with convergent light illumination

会聚光中的傅立叶变换透镜用于彩虹全息

The Theoretical Research of Some Problems on Lateral Shearing Interferometers in Convergent Light

关于会聚光路横向剪切干涉仪的几个理论问题探讨

Design of Ring Convergent Light System

环状会聚性照明系统的设计

Utilizing convergent beam of large aperture can realize inversion of circular hole diffraction and circular disk diffraction.

利用这种光束可以对微小的衍射物体进行反演放大。

Study of the strain in Ge_xSi_ ( 1-x)/ Si by convergent beam electron diffraction

Ge xSi（1-x）/Si中应变的会聚束电子衍射研究

Convergent beam electron diffraction study of C14 type Laves phase in GH 302 alloy

GH302合金中C14型Laves相的会聚束电子衍射研究

Analysis on property of a birefrigent wave-plate in cylindrical convergent beam

双折射波片用于柱面会聚光束中的特性分析