perturbation

[ˌpɜːtəˈbeɪʃn] [ˌpɜːrtərˈbeɪʃn]
  • 复数:perturbations;
  • 例句
    同义词
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    • Noun
      1. an unhappy and worried mental state;
      "there was too much anger and disturbance""she didn't realize the upset she caused me"
      2. (physics) a secondary influence on a system that causes it to deviate slightly
      3. activity that is an intrusion or interruption;
      "he looked around for the source of the disturbance""there was a disturbance of neural function"
      4. a disposition that is confused or nervous and upset
      5. the act of causing disorder
    行业词典
    • 力学: 摄动;
      动物学: 干扰;
      天文学: 摄动;又称 :摄动(disturbance);(1) 天体轨道对圆锥曲线的偏离。(2) 使天体轨道偏离圆锥曲线的扰动过程。;
      数学: 扰动;
      物理学: 摄动;微扰;
      生态学: 扰动;一般是指系统在正常范围内的波动。它往往有一定的规律可循,并具有可预知性,为一般意义上的环境波动行为。;
      航天: 摄动;