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

化学

柯林斯词典

• N-VAR （尤指不常出现的）小变化
  Aperturbationis a small change in the movement, quality, or behaviour of something, especially an unusual change.
  1. ...perturbations in Jupiter's gravitational field.
     木星重力场的微小变化
• N-UNCOUNT （某事引起的）忧虑，不安，烦恼
  Perturbationis worry caused by some event.
  1. This message caused perturbation in the Middle East Headquarters.
     这则消息在中东总部引起了不安。

双语例句

• Angular perturbations tend to increase instead of decrease.
  角扰动倾向于增加而不是减少。
• 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
• 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。
• 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
• 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
• Operator perturbations of Bessel sequences in a Hilbert space
  Hilbert空间中Bessel列的算子扰动
• 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。
• 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。
• 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。
• 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。