With the developing of simulation technology and virtual prototyping technology a fully new method has been developed to research and run of complex system , which is building the virtual prototype of physical system and testing , analyzing in the virtual environment 仿真技术以及虚拟样机技术的发展使复杂系统的研制以及运行有了一种全新的测试手段，即建立实际系统的虚拟样机并在虚拟环境中进行测试、分析。
2 ) some rules and approaches for kinematics and dynamics analysis of transplanting mechanism with planetary elliptic gears were brought forward . following these rules and approaches , the mechanism analysis working would be simplified and some errors would be avoided 2 )提出了对椭圆齿轮行星系分插机构这种复杂机构进行运动学和动力学分析必须遵循的一些规则和方法，使复杂问题得以简化，避免出现各种错误。
Structured analysis & developing method was adopted in total layout design and module development . at the same time , archetype method was utilized in application and evaluation , then complicated module were simplified and exploitation process of medical record mis was reduced 在病案管理信息系统的总体规划、分析及模块的设计中采用了结构化开发方法，在应用及评价上采用原型法，使复杂的病案信息模块简单化和细化，加速了系统的开发进程。
This research achievement enables the complicated engineering project administration work to be standardized , concrete , programmed , quantitative analysis and have quite real application . also they have quite higher reference value for project managers to raise engineering project administration efficiency 该项研究成果使复杂的工程项目管理工作标准化、具体化、程序化、定量化，具有很强的可操作性，对项目经理如何提高工程项目管理效率有较高的参考价值。
The application of statistics function of excel may simplify complicated binomial distribution probability counting and normal distribution probability counting , and at the sme time , many statistics functions can be connected together with some counting signs to make statistics analysis process which can be applied to much more complicated statistics counting and analysis 摘要利用excel的统计函数可以使复杂的二项分布概率计算和正态分布概率计算变得简单，同时，可以利用计算符号把多个统计函数连接起来，制成统计分析程序，用于比较大的复杂的统计计算和分析。
Firstly , a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula , the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize . secondly , using numerical searching and mathematical programming method solves the contact directions and loaded contact problem . finally , whole numerical simulation method is provided for loaded tooth contact analysis of high contact ratio spiral bevel gears 首先以一种简单实用的轮齿边缘切矢量的数学表示方法取代了经典的微分表达式，大大简化了几何边缘接触的求解，使复杂曲面的几何边缘接触分析得以实现；其次又采用数值搜索与数学规划法求解了边缘接触的主方向和承载接触问题，为高重合度弧齿锥齿轮承载啮合全过程的数值仿真提供了完整的方法。
In addition , the c language procedure for stress analysis calculate on connective structure between spherical head and cylindrical shell in jb4732 - 1995 steel pressure vessels ? esign by analysis appendix a2 " strain and stress of basic parts " was adopted . therefore , the complicated process can be accomplished by computer 此外，本文还对我国jb4732 - 1995 《钢制压力容器? ?分析设计标准》附录a2 “基本部件的变形与应力分析”中有关球壳与柱壳连接边缘的应力公式用c语言编制了计算程序，使复杂的计算过程完全可以由计算机来完成。
In packet based wireless video communications , when best band distribution , not only source distortion should be considered , but also channel distortion caused by channel errors . the existing macroblock - layer rate control schemes calculates quantization parameters of all macroblocks ( mb ) in a frame in a raster scan order , and then encodes the mbs in the same order . actually , the quantization distortion is heavily dependent upon the coding order of mbs 在基于包的无线视频传输中，最佳带宽分配时，不仅要考虑信源编码失真，也要考虑由于信道差错引起的信道失真；已有的宏块层码率控制算法以矩阵扫描的顺序计算一帧中所有宏块的量化参数，事实上量化失真与宏块的编码顺序有很大关系，改变宏块的编码顺序，使复杂的宏块分配到更多的比特数，显然能大大提高编码效率。
Based on the status that manual polishing is required after numerical control processing in our aviation turbine engines and steam turbine titanium alloys blade , the subject makes strengthening and polishing in workpieces with complicated strange curved surfaces possible by using a unique resonance processing technology 基于我国航空涡轮发动机和汽轮机钛合金叶片数控加工后仍需手工抛光的工艺现状，本项目采用独特的共振加工技术使复杂空间曲面零件的强化抛光成为可能。
This paper aims at evaluating complex systems with the non - linear process , and several innovations are obtained , such as theoretical basis and technological methods , which are helpful to understand the evaluation of complex systems more deeply , develop the application fields about it . the outcomes are very important in promoting the continuous development , the improvement and the application effects of the theory 本文旨在从数学角度对复杂系统进行非线性评估，在其理论依据、技术方法等方面获得进展，从而进一步加深对复杂系统评估的认识，使复杂系统方法能更大范围地解决实际问题，这些研究对评估理论的发展、完善以及应用效果都将具有十分重要的意义。
