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 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。
• 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。
• However, folic acid, especially at high dose, can aggravate the premature differentiation of NSCs in embryos exposed to hyperglycemic and diabetic conditions, which may perturb the internal environment and be detrimental to the normal development of CNS.
  然而，叶酸尤其是高剂量叶酸，可能加重高血糖组和糖尿病组胚胎端脑神经干细胞的过早分化，干扰脑内环境，最终可能影响中枢神经系统的正常发育过程。
• , we used actin polymerization inhibitor latrunculin B ( LATB) under quantitatively controlled conditions to perturb the actin cytoskeleton and observation with laser scanning confocal microscope.
  花粉管生长中的作用，我们应用不同浓度的微丝聚合抑制剂latrunculinB（LATB）处理花粉管，并通过激光共聚焦显微镜观察微丝聚合状态的动态变化。
• The initial solution has little effect on the algorithm: when the algorithm is trapped into a local optimum, it needs to perturb the best-so-far solution and continue the searching process, while the perturbation strength has significant effect on the performance of the algorithm.
  该算法对初始解不是很敏感：当算法陷于局部极小时，需要对当前最优解做扰动并继续搜索，此时扰动强度对算法的性能有明显的影响。
• 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 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 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。
• 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。