扰动

A mathematical model of oil and water two-phase non-Darcy fluid flow in the direction of normal of the ellipses with initial pressure gradient is taken into account, which is a nonlinear equation with moving boundary and is established according to concepts of perturbable ellipses and equivalent developing regulations.

基于扰动椭圆的概念和等价的发展矩形的思想，建立了具有启动压力梯度的油水两相非达西椭圆二维渗流数学模型。

The perturbance strongly affects the quality of transmitted polarizing light.

扰动的出现影响了透射偏振光的质量。

Special attention should therefore be paid to the first occurrence of the unstable fixed point of dynamicmapping when the perturbance increases.

因此必须特别注意当扰动增加时首次出现的动力学映射的不稳定不动点。

In this thesis, the problems of motion control and perturbance restraint to a wheeled mobile robot with holonomic constraints including uncertain inputs, the pop problems in the field of motion control to mobile robot in recent years, are investigated deeply and thoughtfully.

本文针对近年来在移动机器人运动控制方面的热点问题——包含不确定扰动输入的完整约束轮式移动机器人的运动控制和干扰抑制问题——进行了深入和细致的研究。

Test result shows that ship speed regulator enhances the ability to restrain disturbance and system with parameter perturbance and improves the stability and speed performance in case of system uncertainty.

仿真结果表明，新的船舶柴油机调速器在系统模型不确定和参数摄动情况下，能在线学习被控系统的动态特性，具有抑制扰动和参数摄动的能力，系统调节过程的稳定性和快速性都有提高。

In order to meet oilfiled urgent need and in terms of the effective technique way of control bit side force, a flexible deviation control and hole straightening drill assembly is designed by combining error control with perturbance control in the dissertation.

应现场的迫切要求，本文根据控制钻头侧向力的有效技术途径，按扰动控制和按偏差控制结合的方式，设计了柔性防斜纠斜钻具。

The minute random variation of the incident angle around the structure angle of air-gaped Glan-type polarizing prism gives rise to the perturbance found in the experiment.

实验中空气隙间隔格兰型棱镜的振动引起入射角在棱镜的结构角附近作微小变化，从而导致了透射光强的扰动。

Polarizing prism ; thermo-optical effect ; interference ; perturbance

偏光棱镜；热光效应；干涉；扰动

Next,the inversion method of large perturbational parameters in elastic mediumis studied.

其次，对弹性介质中的大扰动参数反演问题进行了研究。

Two kinds of obstacles are simulated on computer.The numerical results illustratethe efficiency of the method even if in the case of large perturbational parameters inelastic medium.

与传统的Born近似方法相比，对于大扰动参数介质几何反问题，给出了更为准确的重构结果。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。