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

• To verify our system, we must set up the application under test in the lab, perturb it with events, and detect when it fails to handle an event properly.
  为了验证我们的系统，我们必须在实验室设置在测的应用程序，利用事件进行干扰，并且当不能适当处理事件时进行监测。
• When all the Pareto optimal solutions are trapped into local optima, perturb the Pareto optimal solutions and restart the search process.
  当所有的解都陷入局部极小时，扰动已得到的Pareto解集，然后从扰动后的解集出发重新搜索。
• The method of array auto-calibration for wideband sources is discussed. A new method is proposed. This method can calibrate the unknown error of sensor gain and phase, array shape perturb and sensors coupling by assistant sensors.
  利用辅助阵元，针对存在阵元通道幅相误差、阵元位置误差、阵元间互耦的阵列，提出了宽带非平稳信号模型下阵列误差自校正的方法。
• 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。
• 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。
• The perturb& observe algorithms and Incremental Conductance Algorithm are mainly introduced for MPPT.
  MPPT方法主要介绍了扰动观测法和电导增量法，实现了功率寻优要求。
• 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。
• Apply high-order sliding mode to deal with the problem in fast dynamic systems with perturb
  高阶滑模在具有扰动的快变动力控制系统中的应用
• Presence of antibiotics in environment could perturb ecosystem including bacteria, water and soil microorganism and plants, increase the proliferation of antibiotics-resistant pathogens, and could pose threats to human health.
  环境中的抗生素会对环境生态系统包括细菌、水生生物、土壤生物和植物等产生危害，并产生大量耐药菌，对人类健康构成威胁。
• 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。