random variation
英 [ˈrændəm ˌveəriˈeɪʃn]
美 [ˈrændəm ˌveriˈeɪʃn]
网络 偶然变动; 随机变异; 随机变化; 随机变动的需求; 随机变动或杂讯
双语例句
- Rather, I suggest, nail biting is just the result of a number of factors which – due to random variation – combine in some people to create a bad habit.
我认为：咬指甲仅仅是由于诸多因素引发的由于随机变异一些人形成坏习惯的结合。 - Another sign of the presence of a black hole is random variation of emitted X-rays.
另一种黑洞存在的标志是X射线辐射的随机变化。 - Research on Probabilistic Optimal Power Flow Problem in Power System Considering Random Variation of Load and Wind Power
考虑负荷和风电随机变化的电力系统概率最优潮流问题研究 - The classical compound Poisson risk model is generalized to a new risk model, in which the arrival of policies follow Poisson process and the premium is a random variation. The double compound Poisson risk model is set up.
将经典复合Poisson风险模型推广至更为一般情况，其中保单以Poisson分布流到达且收取的保费为随机变量，建立一种双复合Poisson风险模型。 - The structure of grinding wheels can realize high point grinding, and the good grinding equiprobability lies on a proper spinning speed and the random variation of the spinning axis.
砂轮本身的结构特点可保证高点磨削的实现，而磨削等概率性则依赖于：生坯球合适的自旋速度及自旋轴方向的随机变化。 - The distribution of the sum of the random variation The Maximum Alternative-Flow
随机变量和的分布最大并流 - The variation of modal parameters is caused by random variation of structural parameters in linear vibration of multiple-degree-of-freedom system. The variable rules of modal parameters including modal frequency, mode and modal damping ratio are studied by means of Monte-Carlo stochastic finite element method.
采用MonteCarlo随机有限元方法，对多自由度线性振动系统中由于结构参数的随机变异而引起的模态参数（模态频率、模态振型和模态阻尼比）变异的规律进行了研究。 - In the meantime, every trait is of random variation in limited region.
同时，各性状均存在着随机变异的现象。 - In this paper a study of random variation of depth and velocity is performed by means of the random nature of roughness in a typical two dimension uniform flow of open channel.
本文从糙率的随机性质出发，以典型的二度明渠均匀流为对象，对水深和流速的随机变化进行研究。 - The output beam of diode pumped solid-state laser ( DPL) has minute random variation in direction, which results in the restrictions on the appliance of DPL.
二极管泵浦固体激光器（DPL）输出光束的方向在某个微小范围内存在随机变化，这种光束指向性的波动在某种程度上严重制约了DPL的应用。 - Meanwhile, the random variation in the birefringence polarization of an optical fiber along its length causes unstable output polarization state, which is a bad impact on some specific application areas.
此外，由于双折射偏振态沿光纤轴向变化，外界条件的变化将引起光纤输出偏振态的不稳定，这对于偏振敏感的应用场合，影响非常严重。 - Atmospheric turbulence occurs with the variation of refraction index of atmosphere caused by random variation of atmospheric temperature and pressure.
大气湍流是由于大气温度、压强的随机变化引起大气折射率随机改变而产生的。 - A geological variable is a synthetic variable of the superposition of overall variation, multistage local variation and random variation.
地质变量是一种总体变化、多级局部变化和随机变化机相叠加的综合性变量。 - The random variation in atomic clock noise is presented at small scale.
在小尺度上，原子钟噪声是完全随机的变化特征。 - Based on the random variation of cavity length, characteristics of the medium index and mode competition effect, low-frequency beat and noise continuums are explained.
根据腔长的随机变化、介质色散特性和模竞争效应解释了低频拍和连续噪声谱。 - These results indicate that the cycle ofm pseudo-random sequence and programmable random variation of primary phase are satisfied by debugging and simulating. The design of the programmable m sequence generator is realized with the proposed method.
经调试与仿真，结果表明m伪随机序列信号的周期、初相位可编程随机变化是满意的，采用该方法可以实现可编程m序列随机发生器的设计。 - N-Step Ahead Prediction Recurrence Formulas for Random Variation Coefficient Regression Models
随机系数回归模型的多步预报公式 - The random variation tendency of timber density, hardness, late-timber percentage and age-ring width is obvious.
经、纬向双重渐变是长白落叶松管胞形态变异的基本模式，木材密度、硬度、晚材率、年轮宽等性状随机变异的趋势比较明显。 - Correlation factors between them are analyzed via statistic regression, where thickness of ore formation is regarded as a random variation.
采用回归法分析了矿体厚度与古地貌之间的关系，据统计研究，矿体厚度属随机变量。 - It has shown that Chinese seabuckthorn is the system of population with multi-ecotypes, e.g. lots of random variation existed in populations and in different geographic types.
探索了几个主要性状的演化趋势。认为中国沙棘乃是多态型的种群系统，即存在很大幅度的随机变异，也存在着地理种群间的差异。 - This paper analyzes the random variation in the travel time on stochastic road network and redefines the travel time reliability.
分析了随机路网中行程时间的随机变动，并重新定义了行程时间可靠性。 - Results showed the variation of transfer rule of combined random variation mainly depended on the degree of variance of frequency response function.
理论分析表明，复合随机振动传递规律产生的变异主要取决于系统频响函数的变异程度。 - Pattern Design and Random Variation
图案设计与任意变形 - Especially, more uncertainties are produced by the random variation of wind power output.
特别是风电场输出功率的随机变化给系统的经济调度带来了更多的不确定性因素。 - Bus travel time between sites is often random variation, making passenger waiting time fluctuations, affecting passenger satisfaction.
公交车在站点间行驶的时间常常是随机变化的，使得乘客等待时间波动较大，影响乘客满意度。 - And groundwater salinity in the small-scale structural variation has been totally larger scale replaced by the random variation.
而地下水矿化度在小尺度上的结构性变异己完全被较大尺度上的随机性变异所取代。 - The atmospheric turbulence will cause random variation of laser transmission in the atmosphere which will seriously restrict the service performances of different laser engineering systems, and even decide the technical feasibility of laser engineering system.
大气湍流对激光在大气中传输引起的随机变化，会严重限制不同激光工程系统的使用性能，甚至决定了激光工程系统的技术可行性。 - The random variation of flow velocity, flow impeller with nonlinear coupling and generator nonlinear factors has been fully considered in the model analysis.
模型分析需充分考虑水流流速的随机变化、叶轮与水流的流固耦合非线性及发电机的非线性因素等。 - At the same time, this article changes the way to take evolutionary way of allogeneic parity crossover and random variation in traditional evolutionary algorithm. The new method uses autologous ectopic crossover and restricted choice variant to solve the problem of mission scheduling and item selection.
同时本文改变了传统进化算法的异体同位交叉和随机变异进化方式，采取了自体异位交叉和受限选择变异来解决任务规划中的事件顺序和物品选择问题。 - There are multiple markets existing in the power market with different price fluctuation and yields random variation characteristics.
电力市场中存在多个子市场，它们的价格波动特性不同，收益率变化也不同。