That approach may sound straightforward in theory, but in practice the vast variety of database structures and possible search terms poses a thorny computational challenge.
这种做法可能在理论上听起来很简捷，但在实践中大量各种不同的数据库结构和可能的搜索词构成了一个棘手的计算挑战。
So that's a really important type of an application that we can use MO theory for that we weren't able to do with our Lewis structures.
这是MO理论，在Lewis结构，不能用时的，非常重要的应用。
The theory of Lagrangian coherent structures was started about ten years ago by George Haller, who was then at Brown University, in Rhode Island.
拉格朗日拟序结构理论是10年前被乔治·霍勒（GeorgeHaller）揭开，他当时在罗德岛上的布朗大学任教。
Concrete buildings brought to the emergence of a new economy, handsome form of engineering structures, the Civil engineering Construction of a new technology and engineering structural design theory.
混凝土的出现给建筑物带来了新的经济、美观的工程结构形式，使土木工程产生了新的施工技术和工程结构设计理论。
There are extensive prospects of application for the wave propagation theory in the prestressed and reinforced concrete structures.
因此，在损伤的预应力钢筋混凝土结构中波传播理论的研究具有广泛的应用前景。
Within contemporary attachment theory, these motivational structures constitute internal models of behavior.
在当代依恋理论中，这些动机结构构成了行为的内部模型。
The main contents of this thesis are the aseismatic performance and design theory of steel reinforced concrete structures and unbonded prestressed concrete structures.
本文的主要研究内容是型钢混凝土结构和无粘结预应力混凝土结构的抗震性能和设计理论。
Based on the geometrical nonlinear finite element (GNFE) theory, a curved quadrilateral isoperimetric element with 8 nodes for initial form analysis of tensile membrane structures is presented.
本文根据几何非线性有限元理论，提出张力膜结构初始形态分析的8结点曲面四边形等参单元。
Based on discrete random vibration theory, recurrence formulas are developed to calculate the dynamic response of structures under white noise excitations.
基于随机振动的离散分析理论，推导出白噪声激励下结构动力响应的递推公式。
First, the fundamental equations of flat membrane structures are obtained by applying the non-moment theory of thin shallow shells.
首先，利用扁壳的无矩理论得到了平坦薄膜结构的基本力学方程。
Stress analysis method, material strength theory, safety index and design criteria are main contents in strength design and computation of structures.
应力分析方法、材料强度理论、安全指标与设计准则是结构强度设计与计算理论的主要内容。
On the above algorithm basis, according to theory of data structures, the intersection of any parametric surfaces is found and three-dimensional graphs are given.
在此算法的基础上，利用数据结构的理论，实现了任意参数曲面的求交及拼合，并绘出了相应的三维视图。
This paper represents an attempt at the application of catastrophe theory to the dynamic stability of engineering structures.
本文是将突变理论应用于工程结构的动力稳定性的一个尝试。
Despite of great differences in their structures and work theory, they all have a micro-firebox and need a good combustion system to ensure a high energy density.
这两种微动力机电系统在结构和工作原理上有较大差异，但是都具有微型燃烧室，都需要一个良好的燃烧系统保证高能量输出。
Using power flow theory, the vibration damping characteristics of typical interconnected structures in spacecraft engineering are studied in this paper.
本文利用功率流理论对航天工程中典型减振连接结构的减振特性进行了研究。
This paper presents constraints removed method for self-stress mode problems of spoke structures based on equilibrium matrix theory.
本文在平衡矩阵理论的基础上，提出了针对车辐式结构的逐点去约束法。
Wide band random vibration of structures is an interesting area in the theory of random vibration in which the number of responding modes is so large that some asymptotic behaviour may be observed.
结构的宽带随机振动理论是随机振动理论中一个引起兴趣的领域。这种随机振动模态数量很大，从而呈现简单的渐近趋向。
The crack limit length of gantry crane metal structures under the work conditions is found through a large number of experiments and theory analyses.
通过大量的实验和理论分析，找出了龙门起重机在工作状态下金属结构的裂纹限制长度。
It provides theory foundation to evaluate the probabilistic damage tolerance of structures including all kinds of cracks.
为工程界进行含裂纹结构的概率损伤容限评估提供一定的理论依据。
It reveals some characteristics of age structures in scientific collaboration of control theory in China.
揭示了我国控制理论领域科学合作年龄结构的一些特征。
According to the experience from engineering practices and reliability theory of building structures, clustering index, quantified criterion and clustering classes are confirmed.
根据工程实践经验和结构可靠度理论，进行分析比较确定聚类指标、评定等级量化标准及聚类灰类。
The effect factors on the parameter of torsional irregularity were analyzed. The conclusion provides theory basis to torsional resistance design of structures under earthquake.
对扭转不规则系数的主要影响因素进行了分析，为地震作用下结构的抗扭设计提供了理论依据。
The research of approach to monitor bridge health state has become a hot spot which social and technologic people have explored through the theory of, dynamics of structures and the lest technology.
利用结构动力学原理和现代检测技术相结合对桥梁的健康状态进行识别的方法研究已成为相关科技工作者关注的热点。
The problem of building structural safely is an important subject of research in the theory of design for building structures.
建筑结构安全性问题是建筑结构设计理论中的一项重要研究课题。
According to the theory of fracture, the laws of crack spreading of gantry crane metal structures are carried out.
根据断裂理论，对龙门起重机金属结构的裂纹扩展规律进行了研究。
In this paper, the base concept of reliability of structures and the history of research of reliability theory is presented.
介绍了工程结构可靠性的基本概念，回顾了可靠性理论的研究历史。
This paper is devoted to reviewing some of the advances on the surface wave waveguide theory, emphasizing on the analysis of the plane structures and the cylindrical structures.
本文论述了表面波波导理论的若干进展，重点放在平面结构和圆柱状结构的理论分析上。
The Theory of Upper Bound Seismic Forces on Structures is exceptional significant to both theory and practice.
“上界地震力理论”的研究既有理论意义，又有实用价值。
The theory of the dissipative structures based on self - organizing phenomenon has important scientific and philosophical significance.
从自组织现象出发而建立的耗散结构理论具有重要的科学意义和哲学意义。
Furthermore, we established a linear theory of the non-uniform slow wave structures and formulated the expression of the starting current.
进而建立了非均匀波纹慢波结构返波管的线性理论，给出非均匀慢波结构返波管中起振电流的计算表达式。
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