The mathematical property of the limit point in kinematic path is clarified. 阐明杆系机构运动路径极值点的数学特征。
Forming limit diagram is used for analyzing sheet forming in finite element analysis software have proposed forming limit stress diagram which is not relies on the loading path. 但它是依赖于加载路径的,用它来分析多道次板成形是不合适的,于是人们提出了与加载路径无关的应力成形极限图。
Jigs physically limit and control the path of the cutting tool. 钻模有形地限制和控制钻削刀具的路径。
Though simulating the state of packing, adopting the experience of manual packing and heuristics knowledge to control the searching way and limit the search space, it changes the packing problem into the problem of searching best path in the state space. 文中对多边形的合成技术进行了研究,通过模拟布局状态,吸取人工布局的经验,采用启发式知识控制搜索方向,限制搜索空间,把布局问题转化为在状态空间下寻找最优路径的问题。
Institutional Limit and Path Selection: Ways to Solve the Dilemma of Governance and Reconstruction of High-Density Urban Villages in the Pearl River Delta 制度约束与路径选择&珠三角高密集城中村治理改造的困境与出路
It should adopt super-high molecular weight polymer to replace middle molecular weight polymer at big limit in ASP system, which is the effective path to save the dosage of the polymer; 三元体系中应最大限度地采用超高分子量聚合物代替中分子量聚合物,这是降低聚合物用量的有效途径;
Under this limit, the magnetization moves along the steepest energy descent path. 在此极限下,磁矩是沿着能量下降最快的路径翻转。
It is found that the bifurcation instability produces snap buckling without a limit point on the equilibrium path, which is quite different from the snap buckling of a shallow thin cylindrical shell under concentrated load. 本文指出分叉失稳产生了跳跃失稳,而该跳跃失稳与浅圆拱或薄圆柱壳受向心压力作用下的跳跃失稳不同,在整体平衡路径上没有一个极限点。
Limit equilibrium method and finite element method ( FEM) on the analyses of slope stability are introduced and their application thinking path are compared and illustrated through an existed case. 介绍了边坡稳定分析中的极限平衡法和有限元法,对两种方法在边坡稳定分析中的应用思路进行了对比,并结合工程实例进行了详细的说明。
This paper estimated the upper limit and the inflection point of Chinese M_2/ GDP growth path. 本文估算了我国M2/GDP的增长上限及其变化拐点。
Some foreign scholars developed the concept of Forming Limit Stress Diagram ( FLSD) on the basis of FLD. FLSD is considered as strain path independent. 一些国外学者在板料成形极限图的基础上提出了板料应力成形极限图(FLSD)的概念,并认为板料应力成形极限图具有与路径无关的特点。
The optimal path problems in variable-time and stochastic network break through the limit of traditional shortest path problems and become foundation theory in ITS. 时变、随机网络最优路径问题突破了传统的最短路径问题的局限性,成为ITS的基础理论。
Then the slider motion is analyzed by the state-plane method. A limit circle which can describe the path of the creeping motion is found out. 然后用相平面法分析滑块的运动规律,并确定爬行运动的相轨迹&极限环。
Phase portrait technique was used to analyze the horizontal motion of a roll and determine a limit circle which could describe the path of sticking-sliding motion. 应用相平面法分析了轧辊水平运动规律,并确定了粘着-滑动运动的极限环,定性地分析了轧辊水平运动的动力学特性。
Schwinger proper-time method is generalized for the calculation of coincidence limit of Fermion propagator with momentum dependent Fermion self energy, the contribution of Fermion system to path integral of 4-dimension space time quantum field theory. 并且推广了Schwingerproper-time方法,使之能够计算含有动量相关的费米子自能的费米子传播子;探讨了4维可重整化的量子场论中费米子在路径积分中的贡献。
Then this paper pointed out that DFC could predict the forming limit of metal sheet with low plasticity well and meantime take the change of forming path into account. 指出利用韧性断裂准则,不但能够较好地预测塑性差的板料成形极限,而且还能考虑应变路径的变化。
The conclusion we get shows that the cohomology of a complete path algebra with a discrete bimodule as coefficient is a direct limit of a sequence of the cohomology of truncated path algebras. 我们得到的结论表明,完备路代数的以离散双模为系数的上同调等于一列截面代数的上同调的有向极限。
Vague group decision making method whose score function and similarity degree are modified with limit thought is introduced into the optimal path selection of construction enterprises credit information sharing. 提出基于极限思想的Vague集记分函数和相似度,并用改进的Vague集群决策方法对我国建筑业企业信用信息共享方式进行选择。
Complete path algebras can be seen as an inverse limit of a sequence of truncated path algebras. 完备路代数可以看成一列截面代数的逆极限。
By giving an acceptable upper limit for each single objective, this novel algorithm determines the feasible paths set of each single objective seperately by using k-shortest path algorithm. In this way, the efficient paths simultaneously meeting multi-objective constraints, are acquired. 该算法首先针对决策者可以接受的各单目标的上限,利用k-最短路算法,分别确定各单目标的可行路径集,进而获得能够同时满足了多个目标限制条件的有效路径。
This idea grasps the trend of web image design, and it could not limit the design thought as well, making web image design step into the right path. 基于感性工学的网络形象设计理念既把握了网络形象设计的大趋势,又不至于使设计思维受到局限,有利于使网络形象设计步入正轨。