Extremal problems of a conformal invariant of Hypersurfaces in Euclidean space

A conformal invariant and its application

一个共形不变量及其应用

Effect of deformation and angular deflection of resonant mirrors on output characteristics of an unstable confocal resonator

腔镜镜面变形和角向偏折对共焦非稳腔输出特性的影响

Calculation of Coherent Combination Based on Self-imaging Confocal resonator

自成像共焦腔相干合成空间滤波器设计

Output power equation and numerical integrating method of a positive-branch unstable confocal resonator

正支共焦非稳腔输出功率方程及其数值计算方法

Simulation and Analysis of Transverse Modes by the Transfer Matrix Method in a Circular Confocal Resonator

圆镜共焦腔激光横模的传输矩阵法模拟和分析变焦（距）（圆柱）透镜

Influences of Stability of Parameters of Unstable Confocal Resonator on Output Beam

共焦非稳腔几何参数稳定性对输出光束的影响

In the end, by use of the QR method, transverse mode fields in the circular confocal resonator and the symmetric resonator are numerically analyzed by solving the matrix for all eigenvectors and eigenvalues.

最后，利用求解全部本征值和本征向量的QR方法对共焦腔和带孔径光阑对称腔的横模场进行数值分析。

Discussion on equivalent confocal resonator method

关于等价共焦腔方法的讨论

A confluent smallpox had in all directions flowed over his face, and left it like the complicated ribbed bed of a torrent, when the rushing waters have been dried up.

天花打四面八方汇合拢来，布满了整个脸孔，弄得脸上象是奔腾的激流干涸后的河床，如今只剩下错综复杂的浪痕。

Lastly, this paper expounds on the treatment of moving-boundary problem such as artificially controlled sluice gate at river confluence points, and introduces an improvement on the computational method of geometrical parameter of the river cross-section.

最后，针对汉点处动边界问题，文章阐述了对人工调控闸断面的处理方法，并介绍了在河道断面几何参数计算方法方面所作的改进。

There are no rules to follow in the calculation method for designing peak flow in river confluence reaches. There are some simple empirical approaches frequently adopted in engineering works.

河流交汇处设计洪峰流量的计算方法无规范可循，工程上常采用一些简单的经验处理方法。

A two river confluence model is developed that describes the flow field and confluence characteristic of Yangtze river in Chongqing.

本文分析了长江、嘉陵江汇流的来流条件和河道自身地形特点，以EFDC水动力模型为基础，建立了重庆两江汇流水动力模型。

This article proposed the method that establishment of hydrological networks and river confluence relationship is a meaningful attempt.

从而说明，本文中所提出的建立流域水文网络及其汇流演算的方法是一次有意义的尝试。

As a result, the hydraulic characteristics of the natural river confluence research are very necessary.

故此，对天然河道交汇口水力特性进行研究是非常有必要的。

Experimental Studies on the Behavior of Flow and Sediment Movement at River Confluence

交汇河段水沙运动和冲淤特性的试验研究

The starting-point and duration-change of civil prescription in our country should be particularized and concrete.

对于诉讼时效起算点和期间变动宜进一步具体化和细致化.

The process that runoff and sediment material collect into the channel and migrate through the channel network is important in simulating the hydrological and erosion areas. And river confluence relations in the basin is the base of hydrological and erosion models.

径流和泥沙物质向沟道的汇集和通过沟道网络系统的运移过程，是水文和侵蚀模拟的重要环节，而流域之间汇流关系的建立，则是流域水文和侵蚀模型的基础。

The paper gets the annual variable law of net amount and the confluence character in river basin through the comprehensive analysis of hydrological data over the years in each hydrological station of Chaoyang river main stream and tributary.

本文通过朝阳河干流及支流上各站历年水文资料的综合分析，得出流域产汇流特性及径流量的年际变化规律，为水库管理和调度提供了科学依据。

We expect to construct a context of system according to Marxist theory of class conflict.

本文期望通过梳理并建构一个马克思主义阶级冲突理论的脉络体系，据以回首历史并理清进路。

Class conflict is a subtle one between human relationships.

课堂上的冲突是人与人之间微妙关系的一种表现。