查询词典 structural formula

Regular icosahedron ; regular dodecahedron ; quasicrystal ; conjugate fractal structural model ; conjugate fractal structural model of quasicrystal ; Penrose pattern ; high resolution structural image by electron microscopy.

正十二面体；正二十面体；准晶体；共轭分数维模型；准晶共轭结构模型； Penrose拼图；高分辨电子显微结构图

The first part includes two chapters, discussing the engenderment and formation of the conception of Ligeti's structural thinking from a macro perspective, emphasizing the influences from history, culture and the whole musical context in the 20th century. The second part includes four chapters, discussing the techniques used in Ligeti's works from a micro perspective. The third, fourth and fifth chapters emphasize "structural processes", while the sixth chapter analyzes "structural shape".

上篇包括两章，主要对利盖蒂的结构思维观念从产生到形成进行宏观论述，着重探讨了20世纪的历史、文化、音乐创作大背景对利盖蒂结构思维发展的影响：下篇包括四章，主要对利盖蒂的结构思维表现手法进行微观分析，第三、四、五章从"技法形态"对其作品进行分析，第六章从"布局形态"对其作品进行分析，这一部分比第一部分偏重，也是本文的重点。

In addition, attention to energy efficiency, environmental protection section of the building structural system extension, research and development, extension of the framework Kuangjian structural system, steel structural system, the CL system, heteromorphosis pillar framework GRG gypsum big board system.

此外，重视节能、环保型的建筑节结构体系的推广，研发、推广了框架框剪结构体系、钢结构体系、CL体系、异型柱框架GRG石膏大板体系等。

Firstly, the study of the mechanical model. The three-dimensional finite element model is established, and it is condensed into M-dof interlamination structural model. The structural dynamic analysis is implemented by use of three-dimensional finite element model and M-dof interlamination structural model.

本文通过严谨的数学推导，得出"力学不耦合"的超高层结构顺风向和尾流旋涡干扰引起的横风向振动随机响应公式，并编制了相关计算程序，深入研究了应用随机振动理论进行结构风振反应分析的方法。

Structural Experiment is a basic subject in the Structural Engineering Major, which weighs heavy to the studying researchers on the experimental data accompanied by the former researchers" achievement and lucubration. And the experimental scope is expanding wider, so that making full use of each laboratory"s experimental equipment to conduct the collaborative experiment is also the developing trend. With the rapid development of the computer and network technology, hardware technique has provided the accessible condition for the Structural Experiment, and database technique has offered the convenience and possibility for the experimental results and datas save and data exchange.

结构实验是结构工程专业的一门基础学科，而且随着研究的深入，前人的研究成果，特别是研究试验数据对于继续研究的人员来说有特别重要的意义，并且实验规模也在不断扩大，充分利用各个实验室的实验设备条件进行协同实验也是发展趋势，随着计算机技术以及网络技术的飞速发展，硬件技术都为这一切提供了可行的条件，数据库技术为结构实验提供了保存实验结果、实验数据以及实验数据交换提供了便利和可能。

In chapter seven, structural analysis for hydraulic press products is made and the concept of structural analysis based on parameterized FEM modeling is presented. On the basis of APDL parametric programming language in ANSYS, methods of structural analysis for press machine is made formalized, standardized, and parameterized.

第七章研究液压机产品结构分析的主要内容，提出了基于参数化有限元模型的结构分析模板的概念，并以ANSYS参数化编程语言APDL为基础，实现液压机产品结构分析的程序化、标准化、参数化。

Based on finite element method of flexibility and approximate expression of the structural flexibility matrix changes due to structural damages by first class Tayler approximate expansion of structural physical parameters of the initial flexibility matrix, the new damage identification method was put forward.

在采用柔度阵法进行结构损伤识别研究中，从柔度阵出发，进行结构有限元分析。通过对损伤引起的结构柔度阵的变化在初始柔度阵处关于结构物理参数的一阶泰勒近似，首次提出了一种基于有限元分析的结构损伤识别的柔度阵法。

The first one is the nanometer micrograined structural attribute, in this paper, we show some propaedeutic attitudes to nanometer micrograined structural attribute, expound our view of astride hierarchy is main structural characteristics of nanometer substance.

首先是纳米微粒的结构属性，阐述了跨层次是纳米物质结构的主要结构特征的观点。

Researches in this field are of very significant in improving current structural design methods and would greatly contribute to reliability theory. A theory annoyance model for structural vibration serviceability design is proposed in this research on the basis of structural dynamics,reliability theory and psychophysiology methods.

振动舒适度问题是现代工程结构普遍存在的问题，也是工程结构可靠度研究的一个主要内容，系统地研究振动舒适度问题，对于提高现有的结构设计水平，完善可靠度理论具有比较重要的意义。

Taking the active network as a research task, the input accessibility, the Coates graph of matrix and graph transmission etc are used to analyze the relation between reducibility of the coefficient matrix of the state equation and the electric separability of the network or the electric accessibility of the network for the first time, acquiring sufficient and necessary conditions that coefficient matrix of the state equation is reducible. Network Graph Theory, Matrix Theory and System Theory over F etc are used to derive the structural controllability criterion of the passive network over F for the first time. Then according to these theoretic results, the structural controllability problems of the active network over F are studied, acquiring several structural controllability conclusions of the active network.

率先将状态方程的输入可达、矩阵的Coates图、流图传输系数等概念和方法引入到对F上有源电网络的研究，研究了网络状态方程的系数矩阵的可约性与网络电气可断性或电气可达之间的关系，研究了F上有源电网络的能控性问题，获得了状态方程的系数矩阵可约的充分必要条件、F上有源电网络系统的结构能控性判据等新的结论。

The French are not suggesting a new EU treaty, but they have plenty of other wheezes.

法国人并不是在建议签署一个新的欧盟条约，但他们有许多其他的阴谋。

This letter was written by my brother.

这封信是我弟弟写的。