There was a pertness about her that attracted him.

a perturbed young man

烦恼的年轻人

Venus, Earth, and other planets also perturb Mercury's motion.

金星, 地球和其他行星也使水星的运动受到摄动.

She didn't seem perturbed at the change of plan.

她对改变计划似乎毫不在意。

temperature perturbations

温度的些微变化

Based on the perturbation theory a theoretical model for chain like molecules is established.

对链状分子体系用微扰理论建立了理论模型.

In earlier analysis, was usually treated as a perturbation and was left out.

在前人的分析中, 前端面反射率往往被当作微扰而被有意无意地忽略掉了.

Synchronization of chaotic system in the presence of random perturbation.

随机扰动下一类混沌系统的同步.

Perturbation concept is used to demonstrate the mission orbits of LISA, ASTROD , and SOHO.

从扰动的观点看常用的星际轨道, 包括LISA 、 ASTROD、SOHO轨道.

The ability of the soil to recover from perturbation.

土壤自干扰环境中之恢复能力.

A perturbation theory model was set up for calculating vapor liquid equilibrium ( VLE ).

建立了一个微扰理论模型来 计算流体 的汽液平衡.

climatic perturbations

气候的些微变化

The stability margin satisfied the performance for systems with structured perturbation was investigated.

研究了结构摄动系统满足指定性能的稳定裕度问题.

Because of the perturbation, Mars experiences some torque.

因为有微扰, 火星就受到一些转矩的作用.

The course also examines approximation methods: WKB method, variational principle, and perturbation theory.

同时,本课程也解释了几种常用的近似方法: WKB方法 、 变分原理 、 以及微扰理论.

...perturbations in Jupiter's gravitational field.

木星重力场的微小变化

And using perturbation moment theory, the variances of random differential equations material point shift were gotten.

通过小噪声摄动理论, 建立了小噪声随机微分方程.

Coordinate perturbation method, a novel optimization method, is recommended here.

本文提出了一种新的最优化算法 —— 坐标扰动法.

Robust stabilization of a class of linear system with nonlinear perturbation is discussed in this paper.

摘要主要讨论了一类非线性扰动不确定时滞系统的鲁棒镇定问题.

The parameter uncertainty is considered during the design and the controller is robust to parameter perturbations.

在设计时考虑了系统参数不确定性,从而控制律具有一定的鲁棒性.

In order to keep variations negligibly small, only small perturbations will be considered.

为了使变分小到可以忽略的程度, 仅考虑微小的扰动.