quasi-linear theory

The theory of Quasi-periodic Oscillation ( QPO) in Low-mass X-ray Binaries ( LMXB) is discussed in this paper. Beat-Frequency Models ( BFM), including development, are presented in detail.

本文简略地叙述了低质量X射线双星中准周期振荡（QPO）现象的理论解释，对其中的差频模型（BFM）和它的一些发展作了较为详细的介绍。

Based on the finite element method and the theory of mode superposition, a quasi-static calculation method for the seismic response of rigid pile composite foundation under SV wave is presented.

针对竖向传播的SV波作用下刚性桩复合地基的动力反应，在振型分解反应谱法的理论基础上，提出一种基于有限元分析的拟静力方法。

The dynamic characteristics of the quasi CW Ti: shapphire laser has been also studied comprehensively by using the theory of laser rate equation in this paper.

本文采用激光速率方程理论详细地研究了准连续钛蓝宝石激光器的动力特性。

Based on quasi-static theory and mohr-coulomb theory, two predictive formulas of spherical charge on blasting cavity radius in soil are deduced.

以准静定和摩尔一库仑理论为基础，分别推导了土中球状药包爆腔半径的预测公式。

A quasi-static model of a 3-DOF underactuated finger is built based on virtual power theory.

根据虚功原理建立了3 自由度 欠驱动手指的准静力学模型.

At the same time, the vibration isolation effect of the new suspension with on-off control is better than the traditional semi-active suspension which is much better than passive suspension. Furthermore, a quasi-active control which is based on the active control theory was proposed.

同时，传统的半主动减振悬架的减振效果优于被动悬架，而开关控制的效果又优于传统半主动悬架。此外，本文还根据主动控制的思想提出了一种伪主动控制方法。

The quasi-geometric optical theory ignoring the aperture diffraction effects can not be suited for these new resonators.

不考虑开孔衍射的准几何光学理论不适用于这类新型腔。

Based on the nucleation criterion of wing tension crack of quasi-brittle material, the decrease of elastic moduli of material resulted from the crack damage are derived utilizing micro-mechanics theory.

基于准脆性材料中翼型拉伸裂纹的成核准则，运用细观损伤理论推导了翼型裂纹损伤对材料弹性模量的弱化作用。

In the theory I analyzed quasi-three-level transition rate equation of Nd3+, energy-transfer upconversion effect and thermal lens effect, additionally the performances of single devices were studied.

理论上分析了Nd：YAG准三能级速率方程、能量传递上转换（ETU）效应、热透镜效应并对单元器件的性能进行了分析。

Many of the above-mentioned trends can be rationalized in terms of quasi-steady diffusion theory.

上述的许多问题可用准稳态扩散理论加以推理.