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