查询词典 mathematical constant

Based on the study of the relationship between the bit rate for video coding and the content complexity, this paper presents a new quadratic rate distortion model for video coding, which retains the constant term in Taylor series.

摘要基于对视频编码比特率与内容复杂度之间关系的研究，该文提出了一种新的视频编码二次率失真模型。

The constant term and non-singular terms, which are called general T-stress here, play a significant role in determining the stress and strain fields around a crack tip which in turn can affect the calculation of stress intensity factor of the crack.

裂纹尖端的奇异应力场可以表达为Williams级数展开的形式，其中常数项和非奇异项对裂纹尖端的应力应变场有着很大的影响，这些影响反过来作用于裂纹应力强度因子的计算。

The main innovations of this dissertation are as follows:(1) When the previous researches tested the McCallum Rule in the form of nominal income target, the constant term in the rule expression, namely the logarithm of the growth rate of nominal income was determined subjectively and casually because the potential economic growth rate is difficult to estimate.

本文的主要创新点有：(1)以往研究在检验名义收入目标形式的麦克勒姆规则时，规则表达式中的常数项即名义收入增长率对数值的确定具有一定的主观性和随意性，原因在于潜在经济增长率难以估计。

We can trafer human proinsulin gene into diabetes mellitus patients, produce long - term, constant, physiological control in the proposal of permanent therapy.

通过基因转移技术将人胰岛素原基因导人糖尿病患者体内，以产生长期、稳定、按生理模式分泌的胰岛素，从而达到永久治疗的目的。

IV . Effect of Increased Group Size on Intercept Test Another important implication of the APT model , which it shares with other capital asset pricing models , is that the constant term in Equation ( 3 ) corresponds to the risk-free rate ( or at least the return on a zero-beta asset ).

四。在过滤测试中集团规模扩大的影响 APT模式的另一个重要的应用（能与其他资产估价模式能共享）是与免风险级别相对应的持续的第三方程式中的周期。

For eliminating the constant term, this dissertation uses creatively the one order difference of the rule expression to test the McCallum Rule. By this way, the research conclusion gets more robustnesses.

为消除常数项，本文创造性地采用规则表达式的一阶差分形式进行实证，使得研究结论更具稳健性。

More suitable than DZ-50 relay. Additionally, If we keep the time constant term the same, it is more reliable to choose a bigger condenser match up with a smaller charge resister, also parallel two condenser to instead of a same capacity condenser to instead of a same capacity condenser is more reliable and easy for manufacture.

同时，认定在保持电容器一定充电时间常数的条件下，以选择电容量较大的电容器配较小的电阻值的充电电阻器，以及用两只电容器并联代替一只相同电容量的电容器时，使装置性能更加稳定，提高装置动作的可靠性，并便于生产。

In this paper, the analytical solution of Smoluchowski equation, of which diffusive term is constant and drift term harmonic oscillator potential (including the well and the barrier potentials), is derived from a simple Gaussian distribution in a easy and wizard method.

当扩散项为常数、漂移项为一维谐振子势(包括谐振子势阱和谐振子位垒)的情况下，得到Smoluchowski方程的解析表达式。

Based on the equilibrium equation of an arch element the cubic nonlinear dynamic model with second order is established and the nonlinear differential dynamic system without constant term is obtained through a transfer process of T=U+b. Hence three fixed points and the homoclinic orbits are found. The critical condition of the chaotic vibration of the elastic arch is given by using the method of Melnikov function. The numerical results of the stationary and chaotic motion are given and discussed.

首先利用拱的单元平衡方程建立了拱的二阶三次非线性动力学模型；然后通过变换使方程转化为不含常数项的非线性微分动力系统，并由此得到无扰动系统的3个不动点与同宿轨道；再用Melnikov函数法给出了发生混沌的临界条件；最后给出了该系统出现定常运动和混沌运动的数值结果。

However every single-machine subsystem of the power system can be approximated by a set of T-S fuzzy models in this paper, the consequent part of every model has a constant bias term, every fuzzy model represents a linearized m.

模型未知的仿射型多机耦合电力系统用一系列T-S 模糊模型逼近，且模糊模型的结论部分具有常数偏差项。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。