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 protect personal privacy, we perturb personal data with a randomization algorithm and then do modeling based on it The paper introduces the development of the privacy preservation issue, the generic algorithm of randomization and the foreground of the privacy preservation technology.
  为了保护个人隐私，我们首先对一些私有数据进行随机化处理，在此基础上再进行建模。本文介绍了隐私保护课题的发展、随机化处理方法的一般算法及隐私保护技术的发展前景。
• 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。
• 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 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。
• 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 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。
• Research on Variable Perturb Step MPPT Control of Photovoltaic System
  光伏发电系统变步长MPPT控制策略研究
• Very few events are able to perturb an increasingly globalised world.
  几乎没有什么事情能够减缓全球化的脚步。
• Venus, Earth, and other planets also perturb Mercury's motion.
  金星，地球和其他行星也使水星的运动受到摄动。
• 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。