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1·And the other one was optimal substructure.

另一件就是最优子结构。

2·In this paper, an improved substructure method is described.

本文叙述了一种改进的子结构分析法。

3·So let's ask, is there an optimal substructure to this problem.

所以让我们问问，这个问题是否有最优子结构。

4·Seepage is one of the ubiquitous problems in substructure work.

地下工程结构渗漏是地下建筑物中普遍存在的问题。

5·No. Paradise Lost lacked the substructure of pessimism. She did.

“对，《失乐园》缺少那种悲观主义的基础。”她赞成。

6·In other words, particles such as leptons and quarks have no substructure.

换句话来说，类似轻子和夸克这种没有更进一步结构的粒子。

7·Substructure and static condensation are utilized to reduce computing time.

并通过运用子结构法及静力凝聚法减少计算量。

8·The dislocation substructure during secondary stage of creep has been examined by TEM.

用透射电镜观察了第二阶段蠕变过程位错亚结构的变化。

9·Only strip austenite substructure and stacking fault were observed around the carbides.

在碳化物颗粒附近只观察到奥氏体变体和层错。

10·The substructure and the fracture process of mullite ceramics were studied by TEM and SEM.

用透射电镜和扫描电镜研究了莫来石陶瓷的亚结构特征和断裂过程。

子结构

1·This change is described in Listing 9, where the subelements of are composed in one plain element (with no substructure).

清单9描述了这种变化，子元素由一个简单元素(没有子结构)组成。

2·Then it is important to establish a high accuracy and unconditional stability real-time substructure testing algorithm.

如何建立更好的高精度、无条件稳定的实时动力子结构试验算法日趋重要。

3·By using multilevel substructure analysis and finite element displacement method, this system is suitable for various linear static analysis of aeronautical structures.

这一系统采用多级子结构分析技术，可以适应各种类型航空结构的线性静力分析。

4·The method of substructure block combination is presented in the paper and it makes the assessment expert system easy realize, and the system has a good maintainability.

提出的子结构模块组合方法易于评估专家系统的实施，使系统具有良好的可维护性。

5·Transfer-matrix method is a useful tool. It mainly applies in the substructure enumeration of graphs which have good recurring structures and the substructure has prescribed properties.

转移矩阵方法作为一个有力的工具，主要用于具有周期性结构的图的具有给定性质的子结构计数。

亚结构

1·It is found that the structure of the hardened phase in melting and transformation zone is very tiny, the martensite appears to be tiny acicular and possesses twin substructure.

熔化区和固态相变区硬化相组织极为细小，马氏体呈微细针状，具有孪晶亚结构。

基础

1·The superstructure is that part of a building above ground, and the substructure and foundation is that part of a building below ground.

高于地面的部分是建筑物的上部结构，地面以下部分为建筑物的基础和地基。

下部结构

1·This paper discusses some problems about bridge superstructure, bridge substructure and bridge decking of city bridge design.

本文就城市桥梁设计中的桥梁上、下部结构及桥面系结构设计中的几个问题进行讨论。

2·Entire design process including four partial contents: Hydrology computation, superstructure design, substructure design, construction technological design.

整个设计过程包括四部分内容：水文计算，上部结构设计，下部结构设计，施工工艺设计。