Although the viewpoints of Einstein have occupied a dominant position after this debate,but,for lack of covariance,the gravitational energy momentum tensor remains one old,great and difficult problem which has not been solved satisfactorily till now.
后来虽然爱因斯坦的观点占了上风 ,但其定义的引力场能动张量 ,由于缺乏协变性 ,成了至今尚未完满解决的“老大难”问题 。
According to the contravariance and covariance characteristics of physical tensors, the author has made a uniform regulation on the physical meaning of subscript and superscript in the expression of a tensor.
根据物理张量逆变和协变的性质，对张量角标位置的物理意义作了统一规定，给出了分量矩阵的具体形式，从而使得矩阵的运算性质能完全适用于张量运算，为定量讨论物理张量提供了可靠的数学依据。
conservation condition and covariance;3.
守恒条件与协变性问题；３、分析力学中的能量问题。
Cointegration or Co-breaking:Empirical Eevidence from China s Imports and Exports Time Series(1950—2004);
协整还是协变:来自中国进出口时间序列的经验证据(1950—2004)
co-breaking model.
文章根据1952~2005年的样本数据,利用带有结构突变的单位根检验方法和协变模型判定了我国国内生产总值和资本形成总额时间序列均是带有一次均值突变的趋势平稳过程,证实了我国经济增长与资本形成之间存在着同期协变关系;并利用脉冲响应函数、方差分解以及动态相关系数研究了中国经济增长和资本形成间的动态相关性。
The first FARIMA(fractionally autoregressive integrated moving average) predictor under the meaning of hyperbolic deviation asymptote is concision and computational quickness because of the injection of the covariation.
针对长程突发通信量提出了两种基于α-平稳信息的预测方法:根据α-平稳过程的协变概念,推导出双曲线偏差渐近意义下的FARIMA(fractionally autoregressive integrated moving average)预测,采用自回归神经网络模拟ARMA过程,并利用遗传算法的全局优化能力与人工免疫算法的多种群快速局部收敛能力对神经网络权值进行准确估计,从而实现对通信量的FARIMA预测。
Based on hybrid finite element formulation with conjugate covariant shear strains and contravariant shear stresses in natural co ordinate system,a 12 node quadrilateral Mindlin plate element is proposed in this paper.
基于共轭协变剪应变和逆变剪应力分量的杂交板元的合理列式，给出了一个１２－节点Ｃ０四边形的杂交板元。
The compatibility of deformation may occur on tube thread according to dimension of collar thread, which is helpful in improving the connection quality.
油管螺纹与接箍螺纹联接后会发生变形协调 ,有利于提高螺纹联接质量。
Expressing, exhibiting, or relating to covariant theory.
协变式的表达协变理论的，显示协变理论的，与协变理论有关的
The Variability and the Covariability of Electromagnetic Law Based on the Lorentz Transformation
基于洛伦兹变换的电磁规律的可变性和协变性
Varying with another variable quantity in a manner that leaves a specified relationship unchanged.
协变的以使某一特定关系不变的方式与另一变量同时变化的
Every vector can be resolved into covariant or into contravariant components.
每个矢量都可以分解成协变分量或逆变分量。
The Symmetry and the Covariance and the Guage Invariance in Physical Laws;
物理规律(方程)的对称性、协变性、规范不变性
Covariant Anomalies and General Tortoise Coordinate of Vaidya Black Hole
Vaidya时空中的广义乌龟坐标变换和协变反常
International Society of Biorheology
国际生物流变学协会
Co-ordination Group on Global Climate Change
全球气候变迁协调小组
CAN PREMARITAL AND POST MARITAL AGREEMENTS ALTER THE DIVISION OF MARITAL PROPERTY?
婚前协议和婚后协议改变夫妻财产的分割吗?
Compromise Mechanism and Procedures in Institutional Reform in Education;
论教育制度变革中的妥协机制和妥协程序
Analysis on Enterprise s Intention from Pursuing Interior Synergy to Exterior Synergy;
企业追求内部协同向外部协同转变的动因分析
Research on Fairness Between High Speed TCP Variants and DCCP
高速TCP变种协议与DCCP协议的公平性研究
The Coordination of Regional Legal Systems in the U. S.
美国的区域法制协调——从州际协定到行政协议的制度变迁
Variational Bases for Large Deformed-Elements of Plate and Shell hy Quasi-Conforming Model
拟协调模式大变形板壳单元的变分基础
In the agreement we stated that no change would be made for 50 years, and we mean it.
我们在协议中说五十年不变，就是五十年不变。
Coordinated Control of Dual PWM Converters for VSCF Wind Energy Generation;
变速恒频风力发电用双PWM变换器的协调控制
Study of Multi-Variable Vortex Transducer Based on Hart Protocol;
基于HART协议的多变量涡街变送器的研究
The Change of Arbitration Agreement Form as a Reflection of the Change of Arbitration System Comprehension;
形式变化折射理念变迁——仲裁协议形式比较研究
