查询词典 function field

In the second part, we have considered the polariton system described by the model effective Hamiltonian involving single mode photon field interacting with a transverse optical phonon in a more realistic form. On this basis, we have discussed the dynamical evolution of the wave function , the dynamical variables and the non-classical properties for the system in a analytic form for the first time.

第二部分将极化激元系统约化成模型单模光子—横向声子有效相互作用系统，在此基础上以解析形式首次讨论了系统的波函数、力学量和压缩态、亚泊松分布等非经典效应的动力学演化行为。

Free field to Eardrum Transfer Function is one of the major factors influencing the identification of the sound source direction.

自由声场至耳膜的传递函数被认为是影响辨别声源方向的主要因素之一。

With the development of energy conversion technology, the PWM rectifier has attention much focus in the field of power electonics. Because of the function of harmonic elimination and power factor correction, the PWM rectifier can be used as an ideal network between equipment and power system.

随着绿色能源技术的发展，PWM整流技术成为电力电子技术研究的热点和亮点，PWM整流器可以成为理想的用电设备或电网与其他用电设备的接口，因为它能够实现电网污染治理和可调节功率因数。

Combined with the theory of electrostatics, we obtain a function describing the distribution of the electric field in the Line-Pipe type reactor, which is reasonable.

结合静电场理论对线管式等离子体反应器中空气介质层中的电场强度分布做了推导，并得出比较合理的结论。

A method of calculating symmetric plane static electric field with elementary interal and simple plural function was given in this paper.

提出了一种仅利用初等积分和简单复变函数运算，求解具有一定对称性的平面静电场的方法。

Phase plane properties of an electron in Wiggler field are analysed by using Jacobian elliptic function and elliptic integral based on the pendulum equation for FEL.

从自由电子激光器的摆方程出发，利用Jacobian 椭圆函数和椭圆积分分析了系统的相平面特征，并利用加速器概念和束流动力学方法，讨论了系统的稳定性、增益和临界特征等问题。

That enemy units is necessary to complex the structure is relatively divided into two layers, the lower from the field, wells, back, and so shape the composition of the upper hole with Embrasure and hope to observe military and archery use, so there is also a defensive function .

那敌台的构造相对就要复杂一些，分为两层，下层是由田，井，回，等字形组成，上层有垛口和望孔是观察军情和射箭用的，所以这里也具有防御敌人的功能。

Their function is to energize the field magnets of the main generator.

他们的作用就是给主发电机的场磁铁提供电压。

But if those enginery deviate from man's other activities and turn into the final and only ultimate aim, and then, in this field of abstract, it can be namely as animal's function.

但是如果这些机能脱离了人的其他活动，并使他们成为最后的和唯一的终极目的，那么，在这种抽象中，它们就是动物的机能。

In this paper, we have briefly introduced near-axis properties of passive axisymmetrical eiectrostatic field in vacuum,have presented the basis of dvawing equipotential line and have simultaneously given specific method procedure and example, Finaly, the function of quatitative analysis in the electron-optical systems have been pointed out.

文中简要地介绍了真空中无源轴对称静电场的近轴性质，提出了描绘等位线的依据，给出了具体方法、步骤与实例，指出了其在电子光学系统定性分析中的作用。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。