找诗词>英语词典>perturbation翻译和用法

perturbation

英 [ˌpɜːtəˈbeɪʃn]

美 [ˌpɜːrtərˈbeɪʃn]

n.  忧虑; 不安; 烦恼; 摄动; 微扰; 小变异

复数:perturbations 

化学

BNC.24447 / COCA.19948

牛津词典

    noun

    • 忧虑;不安;烦恼
      the state of feeling anxious about sth that has happened
      1. 摄动;微扰;小变异
        a small change in the quality, behaviour or movement of sth
        1. temperature perturbations
          温度的些微变化

      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。

      英英释义

      noun

      • the act of causing disorder
          Synonym:disruption
        1. a disposition that is confused or nervous and upset
            Synonym:fluster
          1. activity that is a malfunction, intrusion, or interruption
            1. the term `distress' connotes some degree of perturbation and emotional upset
            2. he looked around for the source of the disturbance
            3. there was a disturbance of neural function
            Synonym:disturbance
          2. (physics) a secondary influence on a system that causes it to deviate slightly
            1. an unhappy and worried mental state
              1. there was too much anger and disturbance
              2. she didn't realize the upset she caused me
              Synonym:disturbanceupset

            双语例句

            • A sliding mode perturbation observer ( SPO) was designed for linearization of robot manipulators.
              为机械手线性化和随动控制设计了一种滑动模态扰动观测器。
            • Perturbation analysis of free capillary-gravity surface-waves in a circular cylindrical basin is developed.
              对圆柱形容器中的自由毛细重力表面波进行了摄动分析。
            • The coupling between the transverse velocity and electromagnetic perturbation is considered.
              考虑了横向扰动速度与电磁场扰动的耦合。
            • The perturbation effect of the earths magnetic field on the orbital elements of a charged satellite is further studied.
              研究了地球磁场对带电的非赤道卫星的轨道根数的摄动影响。
            • By using the transformation and the perturbation method, the nonlinear displacement equations are linearized, and the approximate boundary value problems are obtained.
              利用变换和摄动法将非线性位移方程线性化,得到了近似边值问题。
            • In the regular solution problem of the perturbation equation, the solution of convergence order is important.
              在扰动方程的正则化求解问题中,解的收敛性估计是十分重要的。
            • In this paper, the logarithmic perturbation scheme for the central potential field is investigated.
              对中心势场的对数微扰论方法作了进一步探讨。
            • Forward and inversion formulae are derived for the weakly anisotropic ( WA) media by using the perturbation theory.
              利用微扰理论推导了弱各向异性(WA)介质参数正反演计算的基本公式;
            • This paper introduces the concept of minimal perturbation efficient solution in minimal perturbation constraints programming.
              文中引进了极小扰动约束规划的极小扰动有效解概念。
            • A precision analytical equation to relative motion of formation flying satellites for J2 perturbation is presented.
              给出了一种描述J2摄动情况下编队飞行卫星相对运动的精确解析模型。