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

• 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。
• 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。
• Pseudo-random sequence generated by PB-PLCM ( perturb based piecewise linear chaotic map) is used in the designing of stream cipher, the fine statistical properties of the sequence make it easy to obtain a high security lever.
  结合数字混沌理论和传统流密码技术，应用加扰分段线性混沌映射（PB-PLCM）系统设计了一种基于数字混沌动力学系统的序列密码。
• 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
• 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 first approach to dealing with this is to perturb the depth being output from the pixel shader by a depth stored in the particle texture.
  解决这个问题的第一个办法是是改变深度。这个深度由像素着色器根据储存在粒子纹理中的深度生成。
• 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。
• 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。
• Molecular fluorine reaction with Si ( 100) 2 × 1 does not perturb the Si-Si dimer bond and the reaction virtually ceases at one monolayer of F coverage for F_2 at low incident kinetic energy.
  F2与Si（100）2×1反应并不扰乱Si-Si二聚键，在F2入射平动能低时反应实际上在氟的复盖度为一个单层上停止进行。
• 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。