说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> Pfaff约束
1)  Pfaff constraint
Pfaff约束
1.
Studies an integrable question of Pfaff constraint,utilizing the integrable sufficient condition of Pfaff constraint,giving an integrable sufficient conditions of the Euler form as Pfaff constraint-proposition 1,and points out that the inverse-proposition of proposition 1 in general does not hold as proposition 2.
研究Pfaff约束可积性问题。
2.
This paper presents an integrable,concrete,necessary and sufficient condition of the four-variable Pfaff constraint,and the integrable,concrete,necessary and sufficient condition of the four-variable Pfaff constraints under every special circumstance.
给出四变元Pfaff约束可积的具体充要条件和在各种特殊情况下四变元Pfaff约束可积的具体充要条件;给出Pfaff约束在各种特殊情况下可积的充分条件,并举例说明其应用。
2)  restriction [英][rɪ'strɪkʃn]  [美][rɪ'strɪkʃən]
约束
1.
The theoretical study on longitude vibration regulation of bolt in different restriction;
不同约束下锚杆纵向振动规律的理论研究
2.
Recursive noise elimination in f-x domain and spectrum equalization under dominant frequency restriction;
优势频率约束下的递推f-x去噪和谱均衡方法
3.
Post-stack noise suppression using signal direction restriction;
信号方向约束叠后噪声压制
3)  constraint [英][kən'streɪnt]  [美][kən'strent]
约束
1.
Partial transformation of TiNi wires under the constraint of constant stress and two-step recovery strain;
TiNi合金在恒应力约束下的不完全相变
2.
VSP data reflection image using constraint weighted Kirchhoff method;
约束加权克希霍夫法VSP资料反射成像
3.
The comparison study on valuing method of the stiffness on the direction of horizontal static constraint of support in seismic finite element analysis on bridges;
桥梁支座水平静力约束方向抗震中的弹簧刚度取值方法对比研究
4)  constrain [英][kən'streɪn]  [美][kən'stren]
约束
1.
A Constrained Nonlinear Predictive Control Based on Genetic Algorithm;
基于遗传算法的有约束非线性预测控制
2.
This article analyzes many relationships of the attribution constrained product and considers that they make an affect on select-configuration for mass customization.
属性间存在相互约束的关系,利用它能提高产品选配速度。
3.
In this paper,the authors establish a lithologic constrained inversion algorithm by nonlinear inversion and use it for the litho stratigraphic interpretation,reservoir modeling and reservoir characterizing.
本文采用非线性反演技术建立了岩性约束反演计算方法,用于地层岩性解释和储层模拟、描述等方面。
5)  Restraint [英][rɪ'streɪnt]  [美][rɪ'strent]
约束
1.
Investigation on psychiatric nurses knowledge,attitude and practice of protective restraints for psychiatric patients;
对精神疾病患者实施保护性约束的知识、态度与行为调查
2.
Views on reforms to China s exchange rate arrangements: force, restraint and route selection;
中国汇率制度改革:动力、约束与路径选择
3.
A Probe into Why It Out of Work that Stimulation and Restraint Mechanism for Managerial Personnel in State Enterprises;
国有企业经理人员激励和约束机制失灵原因探讨
6)  constraints
约束
1.
A Generalized Predictive Controller with Constraints;
一种带约束的广义预测控制器
2.
Application of the Multi-constraints Goal Optimization Problem on Genetic Algorithm;
遗传算法在多约束组合优化中的应用
3.
Algorithms for spatial clustering based on constraints of spatial entity;
基于空间实体约束的空间聚类算法研究
补充资料:Pfaff形式


Pfaff形式
Pfaffiaji fomi

  【补注】定义在流形M的一开子集U cM上的到五任形式。二a,(x)dx’+…十a。(x)d扩,在x点为奇数25十1类的,如果它满足 田八(d田)’(x)笋0,(d田)’+’(x)=0:它在x点是偶数2:十2类的,如果 田八(d。)‘(x)笋0,。八(d。)‘+’(尤)=0, (d。)‘+’(、)笋0.2:十1类和2、十2类Pfa任形式都定义一个2、十1类P反ff方程(Pfa伍出1闪ua石on). 关于刊浏T形式的Dar比ux定理(Darboux tl〕eof曰加on代lffian folll朽)即是: l)若在流形M的开子集U上的刊记1.形式.之类为常数2、+1,则每一点x‘U均有一个邻域V以及一族独立的函数x0,…,尹‘,使在v上 。=d、。一艺x·+“d、“. h奋I 2)若在流形M的开子集U上的利记r形式田之类为常数2、+2,则每一点x任U均有一邻域V以及一族独立的函数x0,…,xs、:“,…,:“,使在v上 。=:odxo一艺:k己xk, k里1其中函数尸在V上没有零点. 这样,若djnl(材)=25+2,则函数(一xo,x’,…,丫,尸,…,了)是辛形式d。的典范坐标(canoni-e司eoord让以谧).P‘叮形式「P‘fI抽.允口1;n恤种a如pMaj 一个一次微分形式(differentjal form)
  
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条