perturbations
英 [ˌpɜːtə(ː)ˈbeɪʃənz]
美 [ˌpɜrtərˈbeɪʃənz]
n. 忧虑; 不安; 烦恼; 摄动; 微扰; 小变异
perturbation的复数
柯林斯词典
- N-VAR （尤指不常出现的）小变化
A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change.- ...perturbations in Jupiter's gravitational field.
木星重力场的微小变化
- ...perturbations in Jupiter's gravitational field.
- N-UNCOUNT （某事引起的）忧虑，不安，烦恼
Perturbation is worry caused by some event.- This message caused perturbation in the Middle East Headquarters.
这则消息在中东总部引起了不安。
- This message caused perturbation in the Middle East Headquarters.
双语例句
- All perturbations from normal, including vital signs and unusual symptoms, must be addressed.
必须排除对对正常所有状态如生命体征和异常症状的所有干扰。 - All the osteological perturbations are consistent with recent elective surgeries.
所有骨骼上的混乱都和最近的外科手术有关。 - The fact is that small density perturbations or departures from perfect homogeneity, are unavoidable in such a medium.
小的密度扰动或对理想均匀性的偏离在这样的物质中不可避免。 - Closedness and Semicontinuity of Cone Efficient Solution Sets for Multiobjective Programming under Two Perturbations
双扰动多目标规划锥有效解集的闭性和半连续性 - Quadratic Stability and Control for Large-scale Interconnected Time-delay Descriptor Systems with Nonlinear Perturbations
非线性扰动的关联时滞广义大系统的二次稳定与H∞控制 - Due to the effects of perturbations, the distribution of air pollution often presents irregular undulations.
受近地层局地小扰动的影响，大气污染浓度分布常呈现不规则起伏。 - The sensitivity of infiltration coefficient to water table perturbations is higher than that of specific yield.
对水头摄动量影响的灵敏度，两个随机参数中渗透系数较大，给水度较小。 - Initial perturbations scheme is one of the important problems in the ensemble prediction.
初始扰动方案是集合预报研究的核心问题之一。 - Operator perturbations of Bessel sequences in a Hilbert space
Hilbert空间中Bessel列的算子扰动 - Since the circular restricted three-body problem model ignores the effect of perturbations, it can not accurately describe the dynamic characters of the three-body system.
圆型限制性三体问题模型忽略了摄动因素的影响，在很多情况下不能足够准确地描述三体系统的动力学性质。 - But smaller-amplitude perturbations develop rapidly and will soon make a great impact on the precipitation forecast.
但是小振幅扰动的迅速发展，很快就会对降水预报造成较大的影响。 - Robust Stabilization of a Nonlinear Neutral Varying Delay System with Nonlinear Perturbations
一类中立型非线性扰动变时滞系统的鲁棒稳定 - Stability of Multiobjective Programming under the Constraint Cone and the Control Cone Perturbations
约束锥和控制锥扰动多目标规划的稳定性 - Adaptive robust stabilization for a class of dynamical systems with delayed state perturbations;
本文研究一类非线性定常离散系统的鲁棒关联稳定性问题。 - The Qualitative Study of a Food Chain System with Defensive Ability and Impulsive Perturbations
一类具有防御能力及脉冲扰动的食物链系统的定性研究 - Over last years, new systems have been developed to mitigate these perturbations and improve power quality.
近年来，为了减轻这些扰动和提高供电质量，新的系统被研制。 - Under the action of universal gravitational forces the small perturbations will grow.
在万有引力的作用下，小扰动会加强。 - Angular perturbations tend to increase instead of decrease.
角扰动倾向于增加而不是减少。 - Emissions of light and very low frequency perturbations due to electromagnetic pulse sources
因电磁脉冲源引起的光辐射和甚低频微扰 - A Delay-Independent Stability Conditions for a Time-Varying Uncertain Systems with Nonlinear Perturbations
一类时变非线性扰动不确定系统的时滞独立稳定条件 - Planetary perturbations make the earth's orbit about the sun irregular.
行星的摄动使得地球绕太阳的轨道是不规则的。 - A food chain model of three species with impulsive perturbations and mixed functional response is proposed and studied.
提出并研究了一类具有脉冲干扰和混合功能反应的三种群捕食链模型。 - The variation equation of the satellite orbit elements under both J2 and drag perturbations was derived based on the Gauss perturbation equation.
基于高斯摄动方程，推导了卫星在同时考虑J2和大气摄动情况下的轨道根数变化方程。 - Dynamic characteristics of the station keeping point and orbit perturbations are finally discussed.
最后讨论保持点的动力学特性和轨道摄动对保持点的影响。 - The Bifurcations of Limit Cycles for a Linear System with 9-degree Perturbations;
一类线性系统在9次扰动下的极限环分支（英文） - Perturbations of Bessel sequences of order 1 in a Banach space
Banach空间中的1阶Bessel列的扰动 - The robust steady-state tracking problem subjected to coprime factor perturbations and unknown external bounded disturbance is addressed.
研究了存在未知外部干扰时的互质因子摄动系统的鲁棒稳态追踪问题。 - The question on bifurcation of limit cycles in quadratic conservative perturbations of a quadratic integrable system is discussed.
研究了一个具有同宿轨的二次可积系统在二次保守扰动下的分支现象。 - Analysis of a three-species predator-prey system with impulsive perturbations and non-monotonic functional response
具有脉冲扰动和非单调功能反应的三种群捕食系统的分析 - Stage-Structured Predator-Prey Model with Delay and Impulsive Perturbations on Predator
具有脉冲投放捕食者阶段结构时滞的捕食-食饵模型