英语释义

1. any of various methods of calculating the approximate value of a complex function (such as the energy of an electron in quantum mechanics) by first assuming that the dominant influence is the only factor and then making small corrections for additional factors

片语

Fluid perturbation variational theory液体变分微扰理论

perturbation method微扰法，微扰理论

finite perturbation theory有限微扰理论

perturbation theory method微扰理论方法

semiclassical perturbation theory半经典摄动理论

Symmetry and Perturbation Theory对称性和微扰定理

phase-perturbation theory相位微扰法

fluid perturbation statistical theory流体微扰变分统计理论

MollerPlesset perturbation theory多体微扰理论

Matrix Perturbation Theory矩阵摄动理论

英汉例句

• in completing the second-order perturbation theory and combined perturbation theory of this problem, the method proposed in this paper is meaningful both in theory and practice.

  对于建立适用于任意偏心率卫星的大气阻力的二阶摄动理论和联合摄动理论，有着重要的理论意义和实用价值。

• a surface equation of state for nonionic surfactant aqueous solutions is developed by using perturbation theory and two - dimensional gaseous theory.

  应用微扰理论并借鑒二维气体理论的处理方法，建立了非离子表面活性剂水溶液的表面状态方程。

• to solve the stability analysis problem arising from the integral term, we employ the singular perturbation theory to analyze the stability of the resulting closed-loop system.

  闭环系统的稳定性证明采用了奇异扰动理论，以解决积分项的存在带来的稳定性分析问题。

• adopting method of perturbation theory dielectric tensor of the system is derived, mmp shows a completely different form of the dielectric tensor with the static magnetic plasma.

  利用微扰理论导出了系统的介电张量，研究发现，mmp具有完全不同于静态磁化等离子体介电张量的形式。

• when atoms and molecules are radiated by ultra intense laser pulse, a series of new non-linear phenomena which can't be interpreted by perturbation theory appears.

  实验表明在超强超短激光脉沖的作用下，原子分子会出现一系列微扰理论无法解释的新现象。

• random differential equations of minor noise were established by means of perturbation theory of minor noise.

  通过小噪声摄动理论，建立了小噪声随机微分方程。

• one group neutron perturbation theory is used to analyze the activity distribution of the control rodcobalt absorber after irradiation.

  应用单组中子微扰理论，对辐照后控制棒钴吸收体内活度分布进行理论分析，得到活度分布计算的解析表达式。

• the electronic and ionic polarizing process were researched by the perturbation theory of quantum mechanics.

  利用量子力学的微扰理论研究电子和离子极化过程。

• perturbation theory was used to analyze two-dimensional graded-index guides in this paper.

  利用微扰理论对渐变折射率平面波导进行数值分析。

• based on perturbation theory of satellite, perturbation factors influencing relative orbit of formation satellites are analyzed.

  根据相对轨道的摄动理论，分析了影响编队卫星相对轨道的摄动因素；

• in degenerate case, stationary perturbation theory becomes to a move complicated problem.

  在简并情况下，定态微扰理论变成一个比较复杂的问题。

• a surface equation of state for ionic surfactant aqueous solutions is also developed by combining perturbation theory and pressure equation .

  将微扰理论与压力方程相结合，建立了离子表面活性剂水溶液的表面状态方程。

• we have used the perturbation theory to calculate the energy bands of the bipolaron and the free-polaron, in order to investigate the stabilities of the singlet and the triplet bipolaron states.

  应用微扰理论计算了双极化子和自由极化子的能带，以能带结构讨论了单重态和三重态双极化子的稳定性。

• thus, the soliton perturbation theory is of importance for the research into more real nonlinear systems.

  因而，孤子微扰理论在研究实际物理系统时具有很大的实用价值。

• the linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively.

  本文采用与时间有关的线性微扰理论，分别讨论了旋转气流、纵向气流的作用，以及它们共同的作用下电弧螺旋不稳定性的特征。

• using two-flow model, small perturbation theory and solvable conditions of one-order linear equations, a dispersion equation of pressure wave in horizontal air-liquid bubbly flow was proposed.

  利用两流体模型、小扰动原理和线性一阶齐次方程组有解的条件，得到了气液泡状流型下的压力波色散方程。