And the other one was optimal substructure.
另一件就是最优子结构。
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。
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。
Each schema definition deals with a single namespace, and although it can reference and use elements defined in another namespace, it cannot define a substructure for those elements.
每一个模式定义都对应一个名称空间，虽然它可以引用和使用其他名称空间中定义的元素，但是它不能为这些元素定义子结构。
We have learned that we all share the same atomic substructure as trees, birds and all other forms of life.
我们认识到，我们与花鸟树木等其他生命形式都具有相同的原子结构。
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。
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。
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。
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。
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。
This paper presents a substructure generalized mode synthesis method applied to the gun dynamic analysis.
提出一种子结构广义模态综合法运用于自行火炮动力学分析。
The substructure morphology and characteristics of the treated region was examined by SEM, TEM and XRD technique.
利用扫描电镜（SEM）、透射电镜（TEM）和X射线衍射（XRD）等技术分析研究了表面层的微观结构特征。
The definition of the substructure class and the comparison between the sub_structural method and the normal method.
作者给出了子结构类定义和采用子结构计算与整体结构计算的结果比较。
The results show that there do exist some defects in the diamonds such as dislocation, substructure, inclusion, etc.
实验结果表明，金刚石晶体中存在有位错、亚结构及包裹体等缺陷。
In this paper, a dynamic substructure method for analysing the transient response of the large structure is proposed.
本文将缩减动刚度综合法与逐步积分法相结合，提出了一种分析大型复杂结构瞬态响应的动力子结构方法。
It is at the same elevation as the rig floor, usually cantilevered out from the main substructure supporting the rig.
同钻机平台具有同样的高度，通常由支撑钻机的主结构悬臂伸出。
The synthetic substructure technique of the fixed-interface mode is adopted to solve the impact problem of a flexible body.
该文采用固定界面模态综合子结构法对柔性体的撞击问题进行研究。
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。
WC powders prepared at higher temperatures are characterized by complete sintering, coarse substructure and slight micro-strain.
在高温下制取的wc粉，结晶完整，晶内亚结构粗大，微观应变小。
The space substructure method is used to analyse the space frame, and the finite layer summation method is used for the layered soil.
在分析中，上部结构用空间子结构法分析，而分层土用分层总和法求其刚度。
Examples show that the proposed parallel substructure conjugate gradient method can achieve better parallel speedup ratio for network.
算例表明此种并行子结构共轭梯度法在网络上能获得较高的并行加速比。
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。
The substructure boundary element-transfer matrix method is presented for duct system of greater length or mufflers with complex geometry.
对于较长或具有复杂形状的管道及消声器，提出了子结构边界元——传递关系矩阵法。
The dynamic stresses in substructure and dynamic earth pressures and accelerations on interface between sand and substructure were measured.
测定了地下结构内的动应力以及砂与地下结构接触面上的动土压力及加速度。
Structure calculation: include the static, dynamical and flection stabilization computation of bridge 's superstructure and the substructure.
结构计算：含桥梁上下部结构的静力、动力及屈曲稳定计算。
An optimization model for low noise design of an automobile body structure is developed based on the dynamic substructure modification method.
在动态子结构修改方法的基础上，建立了车身结构的低噪声优化设计模型。
The stiffness parameters could be calculated from the solution of an equilibrium equation, through the stiffness matrix of the joint substructure.
最后通过连接子结构刚度矩阵建立的平衡方程求解相应的刚度参数。
The structure of the derrick is triple-section telescoping structure, substructure is parallelogram structure, can be lifted by hydraulic cylinder.
井架采用三节伸缩式结构，底座采用平行四边形结构，能用液缸整体起升。
A substructure method for the analysis of a highway bridge, considering interaction of group piles-soil-spaced bridge structures, is discussed in detail.
采用子结构方法研究了公路桥梁考虑群桩—地基土—空间桥梁结构相互作用分析方法。
Nonlinear dynamic model of total automobile system was established by mixed substructure component model synthesis which contains some soft substructures.
采用包含软子结构的间接对接的混合界面子结构模态综合法，建立了整车系统非线性动力学模型。
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