查询词典 constant value

A quantity which has a fixed numerical value is called a constant.

1\一个量它有固定的数值，这个量叫作常量。

The fidelities of quantum states of system in Jaynes-Cammings model considering the dissipation of cavity were studied by using the complete quantum theory.The influences of the cavity damping constant and the numerical value of initial mean photon number on the fidelities of quantum states was discussed.

利用全量子理论研究了存在腔耗散的大失谐 Jaynes-Cumming 模型中量子态保真度，讨论了初始平均光子数一定的情况下腔的耗散系数对量子态保真度的影响，以及当腔的耗散一定的情况下初始光场的平均光子数对量子态保真度的影响。

This paper instructed the numerical control DC constant current source which makes use of the AT89C51 version single chip microcontroller is the main controller in this system, while the set value and the real output current can be displayed by LED.

本文介绍了采用AT89C51单片机为主控制器，通过键盘来设置直流恒流源的输出电流，并由数码管显示电流设定值的数控直流恒流源。

Our main contribution of the thesis is in Chapter three, and a new kind of method to estimate the observational error variance, usually assumed a constant whose value can be evaluated ,was brought up for Univariate Bayesian Normal Dynamic Linear Model ,the most important and common one in practice.

在论文引言中，我们首先较为简要介绍了Box─Jenkins传统时间序列分析方法和它的研究现状，然后对贝叶斯动态线性模型及其预测进行了概述。

Based on the Hmiltonian expression for hydrogen atom in combination with the theory proposed, the theoretical value s of the hydrogen atom's energy, ground state energy and spectrum constant and the electron orbital angular momentum are given.

根据氢原子的量子哈密顿量表示，结合创新的量子算符代数理论，得到氢原子的能量、氢原子的基态能量、电子轨道角动量、氢原子的光谱常数等各种物理量的理论值。

Where h is the Planck's constant, the value is 6.626×

式中， h 为普朗克常量，数值为6.626×

A population parameter is a constant, unchanging value estimated from a sample statistic.

母体 参数是一个持续不变的由统计样本推算出的值。

If frequency and pule width ratio of PWM are changed, the ripple of current, torque and so on are only influenced, when average value of armature circuit voltage is constant.

若保持电枢电路电压平均值不变，改变PWM的频率和占空比，只影响电枢电流和转矩等的脉动。

The temperature dependence of hydrolysis rate constant was used for the calculation of raffinose hydrolysis activation energy, which matches well with the literature value.

通过测定不同温度下的速率常数可以求得棉子糖水解反应的活化能，所得结果与文献值仅相差0.2％。

With increasing the ceramic volume fraction,d_(33) increased until it reaches a saturation value the and relative permittivity constant rose linear.

压电常数d_(33)随着纤维体积含量的增加迅速增大，最后趋于饱和，介电常数随着纤维体积含量的增加几乎呈线性增加。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。