查询词典 dynamical variables

The time evolution of expectation values of the basic dynamic variables in a quantum system under different effective Planck constant were compared with the exact values of the basic dynamic variables in classical system. It is found, for the regular motion, the difference comes from the quantum effect; for the chaotic motion, it comes from the dynamical effect and the destruction of the dynamical system.

通过引入等效普朗克常数，将量子系统中基本动力学变量的期望值和经典系统中基本动力学变量的精确值的时间演化行为相比较，分析了两者产生差异的因素，规则运动主要是和量子效应有关，而混沌运动则是和动力学效应有关，即与系统的动力学对称性破坏相联系。

Dynamical properties of partial variables of interest are characterized by elimination of latent variables. These variables can be stabilized by pole placement.

通过潜在变量的消除，得到人们感兴趣的那部分变量的动态特性刻画：即可以通过极点配置变成稳定的。

This course consists of three parts : A.The fundamental theory of gyroscopes. a.Kinematics and dynamics of gyroscopes, consisting of Coriolis acceleration, theorem of angular momentum, Euler's dynamical equations, dynamical explanation of gyroscopes' properties. b.Gyroscopes' motion equations, including the complete equations, technical equations and precession equations derived from Euler's dynamical equations, and the technical equations derived from static vs. dynamic method. c.Analysis of gyroscopes' motion. d.Coordinate systems and their mutual transformation. e.Gyroscope drift and its measurement. B.Principle of typical gyroscope instruments, such as gyro compass, gyro north finder, gyro horizon, platform compass, rate gyroscope and integrating gyroscope. C.Principles and applications of new-type gyroscpes, such as electrically suspended gyro, ring laser gyroscope, fiber optical gyroscope, hemispherical resonator gyro, dynamically tuned gyroscope and micro inertial sensors.

本课程教学内容由三部分组成：陀螺仪的基本理论，内容包括：陀螺力学基础（哥氏加速度、角动量定理和欧拉动力学方程、陀螺特性的力学解释）；陀螺仪运动方程和运动分析（用欧拉动力学方程建立完整方程、陀螺仪运动的技术方程和进动方程，用动静法建立技术方程）；坐标系及其变换；陀螺仪的漂移及其测试；典型陀螺仪器（包括陀螺罗经、陀螺找北仪、陀螺地平仪、平台罗经、速率陀螺仪和积分陀螺仪等）的工作原理；新型陀螺仪（包括静电陀螺仪、激光陀螺仪、光纤陀螺仪、半球谐振陀螺仪、挠性陀螺仪、微机械陀螺仪等）的原理及应用。

Secondly, PSDS serves as a universal system for compact and totally disconnected dynamical systems (since OSDS cann't), and provides a moderate framework for characterizing orbit structures of general dynamical systems, in particular non-expansive dynamical systems.

其次，乘积符号动力系统是紧致完全不连通的动力系统的典型代表(我们知道符号动力系统不是紧致完全不连通的动力系统的典型代表)，它为刻画一般动力系统的轨道结构，尤其是非扩张动力系统的轨道结构提供了框架。

We review domestic and abroad research progresses of epilepsy by nonlinear dynamical theory and method, which include dynamical interpretation of epileptic pathogenesis, analysis of dynamical characteristic quantity of EEG signals during interictal and ictal stage, foundation of prediction mechanism and system.

我们综述了国内外采用非线性动力学的理论和方法对神经科癫痫研究的进展，包括发病机理的动力学解释，发作间期和发作期脑电图信号的动力学特征量的分析，以及预报机制的建立等；同时介绍了最近本课题组采用建模分析的方法研究癫痫脑电的主要结果，以及对癫痫发作过程的动力学性态变化规律的若干新发现；据此提出了研究中的一些问题和设想。

The objective of this research is to discuss green food consumers" consuming behavior via consumers" demographic variables , purchase affecting factors, AIO VALS variables and post-purchase and to find out the related factors and VALS variables and demographic variables that affect consumers to choose and buy green food, thus establish main variable measuring indexes and compare the differentiation and influential effect of these indexes themselves and post-purchase, all of which are according as making marketing-mix decision and establishing branding image for green food companies.

本文的研究目的是经由消费者人口统计变量、购买影响因素、AIO生活方式变量和购后评价情况的调查统计分析，来探讨绿色食品的消费者行为，找出影响消费者选择购买绿色食品的主要相关因素和生活方式变量因子以及人口统计变量，建立主要评价变量指标并比较其自身和购后行为的差异性及影响效果，最后为绿色食品企业制定营销组合策略和品牌形象的树立提供参考依据。

Firstly, single factor analysis, including Independent-sample T Test for scale variables, Chi-square Test for binomial and nominal variables, Nonparametric Test for ordinal variables, was used in 60 clinical variables.

先将所调查的60个临床指标进行单因素分析，连续型变量采用独立样本t检验(Independent-Sample t Test)，二分类变量和无序变量采用卡方检验(Chi-squareTest)，有序变量采用非参数检验(Nonparametric Test，NPar)。

To reduce the sensitivity of conjugate initial values, the initial values of control variables are used to replace the initial values of conjugate variables based on the transformation between conjugation variables and control variables.

为了降低共轭变量初值选取的敏感性，引入共轭变量与控制变量之间的变换，用控制变量初值代替了共轭变量初值。

The identity and difference in the expressional patterns between distribution functions of discrete random variables and distribution functions of continuous random variables are elaborated,and the main expressional patterns of distribution functions of continuous random variables are summarized,and the derivability of distribution functions of continuous random variables is discussed.

0引言在概率论中，连续型随机变量分布函数的表达形式及其可导性是一难点。其一，离散型随机变量的分布函数有较明显的性质和统一的表达形式，而连续型随机变量，由于其概率密度函数一般为分段函数，根据其分段区间的差异，表达形式差异较大，不容易总结其规律，本文主要比较连续型随机

This thesis intends to explore fundamental causes for risks related to financing activities of our state-owned commercial banks and draw relevant proposals to tackle these causes by undertaking thorough investigations into internal and external variables related to financing activities of the banksThis thesis firstly investigate four external variables affecting financing activities, including enterprises, government, central bank and social creditability before proceeding to make an enquiry into internal variables and make proposals to deal with these external and internal variables that cause risks related to financing activities.

本文旨在通过对国有商业银行贷款风险的研究，对我国国有商业银行信贷风险从银行内、外部因素这两大角度作了深入的分析，探究我国国有商业银行信贷风险产生的根本原因，并提出相应的对策。文章从企业、政府、中央银行、社会信用等四个方面对信贷风险产生的外部因素进行了探究，而后通过对信贷风险产生的内部因素的分析，为银行信贷风险管理指明了方向。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。