perturb

英 [pəˈtɜːb]

美 [pərˈtɜːrb]

v.  使焦虑; 使不安

过去分词：perturbed　过去式：perturbed　第三人称单数：perturbs　现在分词：perturbing　

TOEFLIELTSTEM8

BNC.18847 / COCA.21889

牛津词典

verb

• 使焦虑；使不安
  to make sb worried or anxious
  1. Her sudden appearance did not seem to perturb him in the least.
     她的突然出现似乎一点也没有令他不安。

柯林斯词典

• See also:What perturbs me is that magazine articles are so much shorter nowadays.perturbed

英英释义

verb

• throw into great confusion or disorder
  1. Fundamental Islamicists threaten to perturb the social order in Algeria and Egypt
  Synonym:derangethrow out of kilter
• disturb in mind or make uneasy or cause to be worried or alarmed
  1. She was rather perturbed by the news that her father was seriously ill
  Synonym:unhingedisquiettroublecarkdistractdisorder
• cause a celestial body to deviate from a theoretically regular orbital motion, especially as a result of interposed or extraordinary gravitational pull
  1. The orbits of these stars were perturbed by the passings of a comet
• disturb or interfere with the usual path of an electron or atom
  1. The electrons were perturbed by the passing ion

双语例句

• The method takes the results obtained by GA after a few evolutions ( rough GA) as the initial solution, then, the IWO is employed to perturb the initial solution in order to improve the global searching ability and accelerate the convergence speed.
  该算法将GA初步进化（粗GA）得到的结果作为初始解，利用IWO算法对其进行微扰，以提升算法的全局搜索能力，加快其收敛速度。
• For this reason, the expression values are also passed though a bump map to perturb the surface normals.
  因为这个原因，表达式数值也能传递给一个凹凸贴图，去扰乱表面法线。
• The scheme has biggish innovations on power amplification, automatism rearrange, perturb resisting, signal attenuation preventing, real time video frequency signal surveillance etc.
  该设计方案在功率放大、全自动倒换、抗干扰、抗信号衰弱、实时视频信号监控等方面都有较大创新。
• Thirdly, a data perturbing method is described to perturb original data by applying "single attribute transition probability matrix".
  然后描述了通过单属性转移概率矩阵来变换原始数据的数据变换方法。
• For the perturb& observe algorithm, if the tracking step is short enough, the tracking accuracy will be ideal, but with more iteration.
  如果跟踪步长选取的比较小，扰动观测法的跟踪精度也比较理想，但迭代次数较多。
• What perturbs me is that magazine articles are so much shorter nowadays.
  让我不安的是现在杂志文章都短多了。
• Headache, fever, minor bruises and just simple difficulties and challenges in day to day life perturb us, sadden us.
  头痛，发烧，轻微的擦伤和只是简单的困难和挑战，在一天一天的生活打乱我们，我们痛心。
• Finally, simulating experiment for the whole system is carried through with the stator flux-oriented vector strategy and control arithmetic of rotor speed perturb and power observation.
  最后本文采用定子磁场定向的矢量控制策略，结合转速扰动功率观测的控制算法对转子侧进行了仿真验证。
• The simulation results indicate that Perturb& observe Algorithm is also an effective method to achieve the maximum power point tracking with simple algorithm.
  仿真结果表明，干扰观测法能有效地实现最大功率跟踪，是一个简单有效的最大功率跟踪方法。
• The performance analysis and control of hybrid systems are difficult when the parameters perturb uncertainly. Therefore, it is necessary to propose the powerful approaches for robust performance analysis and control.
  当系统参数存在不确定性时，系统的性能分析和控制变得非常困难，因此，给出混杂系统在参数不确定情况下的鲁棒性能分析和控制方法在理论和应用两方面都具有重要意义。