复杂

From the Internet to WWW, from the food cycle networks in the environment to the metabolism networks in the creatures' bodies,from the scientific research collaboration network to kinds of political networks,social networks and economic networks, from the large-scale network electronic network to the global traffic network, people live in a world full of varieties of complex networks, which makes the research of complex networks necessary.

从Internet到WWW，从生态环境中的食物链网到生物体中的新陈代谢网络，从科研合作网络到各种政治、经济、社会网络，从大型电力网络到全球交通网络，人们生活在一个充满着各种各样的复杂网络的世界中。这也使得研究复杂网络成为必要。

In this paper, the concept of belief degree for quantitative decision model in a complex environment is presented at the first time. The integration of formulization and reasoning of quantitative model with qualitative judgement is studied. The combination of various belief degree generated by quantitative model and qualitative judgement is discussed. A decisio...

文章首先提出了复杂环境下定量决策模型的信度概念及计算方法，然后研究了定量决策模型与经验判断在描述方式及推理方面的统一，最后探讨了对于分别由定量决策模型及专家经验所推论出的结论的合成，并提出了在复杂环境下的"决策的最优性与决策的信度权衡"的决策方法。

In the third chapter,the Lévy-Feller advection-dispersion equation describing anomalous diffusion,with asymmetric fractional derivative,is considered.

更多程不同的是，在三维情形中，分数阶导数的复杂性使得在构造差分格式时所添加的摄动项也非常复杂，由此所构造差分格式的理论分析也变得比较复杂。

Application: moulds or tools for large cross section, complex shape, heavy shock load; wire stretch mould, cold punch mould, measures, fretsaw, cutter.

例如，形状复杂的冲孔凹模、复杂模具上的镶块、钢板深拉深模、拉丝模、螺纹挫丝板、冷挤压模、冷切剪刀、圆锯、标准刀具、量具等。

In order to develop this local property,this paper presents a method,which uses Fourier Series to approximate the boundary shapes of the shafts with periodic boundary of cross section,and uses the conformal mapping in Theory of Function of a Complex Variable to make the complicated boundary shapes of the shafts map a unit circle.Thus elastic theory can analyze...

本文提出一种方法，其实质是：采用富里埃级数来逼近横截面呈周期性变化边界的轴类零件的边界形状；并应用复变函数论中保角映射原理，将零件复杂的边界形状映像成单位圆，从而使弹性理论可以分析和计算复杂边界轴类零件的应力场；再通过留数的求解实现保角映射的反变换。

Based on the Saint-venant equations describing the channel flow movement, the nonlinear algebraic equations derived by the use of Preissmann weighted implicit four-point scheme are solved with the Netwon-Raphson method. A combined Gauss main-element elimination method with compress-storage technique is proposed. The relaxation iterative method for solving branch river networks is extended, which can turn the problem of any complex river networks into the problem of a series of single rivers. The coupling of hydraulic model with water quality model is built up. The combined model was applied to a large complicated river networks with numerical hydraulic structure which influenced by strong tide, storm and heave rain. Visualization of computational results is realized by means of MapInfo, which displays the computational results in fast, convenient and accurate way.

水力模型以描述河道洪水波运动的Saint-Venant方程组为基础，用Newton-Raphson方法直接求解按Preissmann加权四点格式进行离散所得的非线性代数方程组，提出了压缩存贮形式的Gauss列主元消去法并对数值解的收敛性进行了讨论；将支流流量的松弛迭代方法从树状河系推广到了环状河网，使任意复杂河网水力计算的问题都可化为一系列的单一河道的水力计算问题；建立了水力模型与水质模型的联接，初步应用于既有洪水、暴雨、强潮等综合影响，又存在多种水工建筑物及水力调度问题的大型复杂河网中的非恒定流水力、水质计算问题；利用MapInfo对计算结果的可视化进行了研究，有利于决策者快速、方便、准确地作出决策。

The measures which can be used to increase the reliability of FEA of complex components in I. C. E. are investigated systematically. An efficient method for generating finite element models from CAD solids of complex parts is also studied.

系统性地探讨了进行内燃机复杂零部件有限元分析时，为确保计算的可信度可能采取的措施，并就如何利用复杂零部件的CAD实体模型，快速建立其有限元分析模型的方法进行了研究。

In fact, human eyes are complex optical systems including many interfaces. Each interface has the complex geometric properties and optical characteristics.

从光学角度而言，人眼是一个有多个界面的复杂光学系统，每一个界面都具有复杂的几何特征和光学特性。

With recent advances in 3D scanning and modeling techniques,there has been a rapid increase in the availability and size of geometric datasets.Large-scale and complex scenes consisting of hundreds of millions of primitives are becoming increasingly common in many graphics applications.

随着近几年三维扫描和建模技术的飞速发展，三维场景的规模和复杂度不断增大，大规模复杂场景的交互绘制受到了国内外研究者越来越多的重视并取得了一系列研究成果。

Trapcode Form is a grid-based 3D particle system with a twist. It can be used to create fluid, organic patterns, complex geometric structures and swirling stringy animations.

Trapcode公司发布了基于网格的三维粒子插件FORM，它可以用来制作液体，复杂的有机图案、复杂几何学结构和涡线动画。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。