| 单词 | perturbation |
| 释义 | perturbation [英 [?p?:t??be??n] 美 [?p?:rt?r?be??n] ] perturbation的意思、解释 复数形式：perturbations; perturbation 基本解释 名词忧虑; 不安; 烦恼; 摄动 perturbation 网络解释 1. 微扰：系统生物的这三个本质成分是: (1) 高通量技术获得生物数据; (2) 研究基因水平微扰(perturbation)的生物学工具, 可用于少量的模型有机体:酶, 果蝇, C. 2. 干扰：使癌症在外来的干扰(perturbation)之下总有一两个残余细胞能逃过一劫不久之后再卷土重来.人类社会中血亲通婚造成纯种的结果不利於种族的延续就是这个道理的反面.有趣的是目前使用的癌症化疗药物根本上都是所谓的mutagen这些mutagen事实上更促进癌细胞的突变也就是增加它的异质性; 3. 摄动：需要有一个从原因与结果的简单逻辑向一个摄动(perturbation)逻辑(注:在天文学中,摄动指天体的运动由于另一天体的吸引或相撞而产生的偏离. 在数学中,摄动是把求解的问题同一个类似的、其解是已知的问题进行比较来求解的一种方法. perturbation 双语例句 1. Taking fclio earth rotation and oblateness into consideration, the orbit perturbation, attitude errors and its stability effects on SAR Doppler parameters are analyzed. 在考虑地球自转和扁率的情况下，分析了轨道摄动、卫星姿态指向误差和稳定度对SAR多普勒参数的影响，并进行了数字仿真。 2. perturbation 2. In this dissertation the relative motion with perturbation motion of spacecraft is studied systematically, and t... 论文对航天器相对运动及摄动进行了较为详细的分析，同时研究了多个航天器编队飞行的可能构型方式和控制方法。 3. One of the difficulties of satellite formation flying is to control the formation in perturbation environment. 卫星编队飞行的难点之一是在干扰力环境下控制队形。 4. On the other hand, for TAD causing the ionospheric storms, a new method for determining the meridional wind velocity during the ionospheric storm has been introduced based on a sequence of high accurate Doppler ionograms. By the new method, not only the amplitude but also the onset time and phase velocity of the TAD-associated wind perturbation can be explained by the present theories and observations. 在电离层暴期间的大气扰动风场研究中，导出了利用数字测高仪高精度多普勒频高图获取电离层暴期间大气风场的计算反演公式，推导的电离层暴期间行进式大气扰动的扰动幅度、传播速度、起始时间等参数都与其它观测和理论结果一致，并对扰动源及扰动的传播特性给出了合理的物理解释。 5. perturbation的解释 5. In this paper, We use the singular perturbation theory and method to study the two types of singular perturbation problems with fractional derivative. 本文应用奇异摄动理论和方法研究了含有分数阶导数的两类奇异摄动问题。 6. The special waterproof material, does not affect the camera's perturbation of the effect of operating functions. 采用特殊的防水材料，不影响相机的摄相效果，操作功能。 7. A rational equation of state of the perturbation type with a repulsion and attraction term has been applied to reproduce critical curves of six different binary system s up to high temperatures and pressures. 利用一个从微扰理论出发得到的含有斥力项和引力项的状态方程计算6个二元系统的临界曲线，这些曲线一直延伸到很高的压力和温度。 8. The mechanism of evanescent coupling of MNFs are investigated using perturbation model, and the behavior of an evanescent coupler is numerically investigated using a 3D-FDTD method. 文中用微扰理论模型从物理上探讨了微纳光纤间的倏逝波耦合机理，并通过3D-FDTD方法用数值计算实例分析了微纳光纤倏逝波耦合器的特性。 9. Under the condition of non-vanishing perturbation, sufficient conditions for guaranting the uniformly boundness and uniformly ultimate boundness of system's solution are derived. 首先在非零扰动情况下，利用平均滞留时间的方法给出保证切换系统一致有界或一致终极有界的条件以及最终边界。 10. perturbation的反义词 10. To study local influence of the data cases on the Score statistic for the test of varying dispersion in the nonlinear model of simplex distribution, this paper develops the local influence on the score test statistic under perturbation in the response variable and explanatory variables based on gradient method. 为了研究数据对于单形分布非线性模型变离差检验的Score统计量的局部影响，该文利用梯度方法分别研究了因变量及自变量的微小扰动对于该模型的Score检验统计量的局部影响，相应得到了度量最大局部影响的诊断统计量。 11. The authors focus on the effect of temperature perturbation on seafloor sediment, and study the spectrum Characteristics. 本文针对温度差异对沉积物的声学特性的影响，研究不同温度下沉积物的频谱特征规律。 12. The matrix perturbation method is effective to solve this kind of problem. 矩阵摄动法是解决这种问题的有力工具。 13. 13. We must seek two main approximation method s of solution, the variation method and perturbation theory 我们必须寻求两个主要的近似解法、变分法和微扰法。 14. We must seek two main approximation methods of solution, the variation method and perturbation theory 我们必须寻求两个主要的近似解法、变分法和微扰法。 15. The examples show that the random perturbation method is both easy to be carried out and extremely efficient. 算例表明，本文所提出的随机摄动算法易于实施，且十分有效。 16. 16. The singular perturbation method is a useful tool to work with the mathematical and physical problems. 它的主要思想是将非线性的，高阶的或变系数的数学物理问题的解用所含某个小变量的渐进近似式来表示。 17. There are two kinds of method in common use. One is numerical method, and the another one is analytic approximation which is represented by perturbation method. 常见的方法有两种：一种是数值方法，二是以摄动法为代表的解析近似法。 18. This is combined with a Numerical Perturbation Method that quantifies the configuration and connection-weight status of the network. 这种网络与数字干扰方法相结合，从而量化了机器人的结构与重量的关系。 19. A model of unequally spaced thinned array is given in this paper, which introduces a distance perturbation into the element of a thinned array, in order to improve the sidelobe level. Genetic algorithm and simulated annealing are used to design this kind of array. 该文在稀布阵概念的基础上，引入了距离微扰，提出不等间距稀布阵的模型，来进一步改善天线阵的副瓣电平，并且利用遗传算法和模拟退火对这种不等间距稀布阵进行了综合设计。 20. 20. Afraid, in her extreme perturbation, of the loneliness of the deserted rooms, and of half-imagined faces peeping from behind every open door in them, Miss Pross got a basin of cold water and began laving her eyes, which were swollen and red. 她心里乱成一团。没了人的屋子空荡荡的，她害怕；每一道开着的门背后都仿佛有面孔在窥视，她也怕。普洛丝小姐打了一盆水开始洗她那双红肿的眼睛。 perturbation 词典解释 1. （尤指不常出现的）小变化 A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change. e.g. ...perturbations in Jupiter's gravitational field. 木星重力场的微小变化 2. （某事引起的）忧虑，不安，烦恼 Perturbation is worry caused by some event. e.g. This message caused perturbation in the Middle East Headquarters. 这则消息在中东总部引起了不安。 perturbation 英英释义 perturbation的近义词 noun 1. the act of causing disorder Synonym: disruption 2. a disposition that is confused or nervous and upset Synonym: fluster 3. activity that is a malfunction, intrusion, or interruption e.g. the term `distress' connotes some degree of perturbation and emotional upset he looked around for the source of the disturbance there was a disturbance of neural function Synonym: disturbance 4. (physics) a secondary influence on a system that causes it to deviate slightly 5. an unhappy and worried mental state e.g. there was too much anger and disturbance she didn't realize the upset she caused me Synonym: disturbanceupset |
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