查询词典 random deviate

But there are also some limitations when applying traditional fault tree analyzing method to certain systems that are amendable, complex, time consuming and with random failures that occurs randomly.

但是由于其局限性，对于具有可修复、系统复杂、昼夜连续运行、动态随机性故障发生的系统而言，传统故障树分析方法便显得"力不从心"。

But later, two ASU biologists surveyed couples across 11 different Amerindian tribes in the Amazon Basin and discovered that similarities between the MHCs of men and women who had chosen to reproduce together were almost completely random.

但是后来，两个澳大利亚生物学家调查了亚马逊盆地的11个不同的爱斯基摩部落后发现，具有相近MHC的男女结合繁殖后代几乎是完全随机的。

Oil prices have been perfectly random for 148 years－get used to it," says Amory Lovins, chairman and chief scientist of the Rocky Mountain Institute, an energy research laboratory in Snowmass, Colo."

落矶山研究中心主任兼首席科学家Amory Lovins表示：油价已自由波动了148年，我们需要对此习以为常。

Furthermore, a random drift error model for IFOG is built by the method of time series analysis.

此外，采用时间序列分析方法，建立了IFOG的随机漂移误差模型。

We give several sufficient conditions of NA and NSD properties of random variables, compare the closeness of distribution functions of order statistics between NA and independent rv's, investigate properties of NSD defined by supermodular functions, study the dependence structure of stationary Markov process and order statistics and their spacings from two samples, establish stochastic comparisons of order statistics of heterogeneous rv's in the hazard rate and the reversed hazard rate orders, and give the first analytic proof of the closure property of the up shifted likelihood ratio order under convolution.

给出判定一组随机变量NA性质的几个充分条件，并给出NA和独立随机变量的次序统计量之间"贴近性"的比较，系统地研究基于特殊函数类所定义的NSD负相依概念，给出一些判别NSD性质的结构定理和一些有用概率不等式。系统研究平稳马氏过程的相依结构。研究两样本次序统计量及其问题隔的相依结构。在失效率、反向失效率序和似然序意义下给出非齐次随机变量次序统计量的比较。给出上漂移似然序卷积封闭性的第一个解析证明。

Lower order and proximate lower order of Dirichlet setries and random Dirichlet setries convergent on left half plane;2. The present paper gives lower side bitangent Laplace Stieltjes transformation and integral,θ linear lower order and proximate lower order of the analytic function defined by this transformation.

给出下侧二重 Laplace- Stieltjes变换与积分以及由该变换所定义的解析函数 f的θ线性下级与准确下级的定义；通过引入递减负实数列{λ- m}与{μ- n}，建立 f的θ线性下级存在的充要条件及其θ线性下级的下型与θ线性下级及其系数与指数的关系。

It is generally difficult to get analytical solutions of the stochastic differential equation's water quality model. What is more, as to the issue like the initial boundary result of a convection-dispersion equation, it is even more difficult to change the random factors into the uncertainty.

NSFEM法是把Neumann展开式引入以解决矩阵求逆的效率问题，如果对每一次随机抽样，只需形成刚度矩阵，进行前代、回代以及矩阵乘和矩阵加减，而无需矩阵分解，则可大大减少工作量。

First, nine different small volumesof air emboli (0.05–1 mL) were randomly injected via anear vein, and VAE detection methods were applied in random order.

第一，9个不同的小量空气栓塞(0.05–1 mL)随机通过耳静脉注射，以随机次序应用 VAE 发现方法。

Because of the non-linearity, time- variability, multi-parameter, intense coupling of the heating process and especially, the random interfere and anfractuosity of process, precision mathematics model is difficult to be established. The routine PID algorithm can not meet the requirement of control.

高岭土回转窑的加热过程中存在非线性、时变性、多参数强烈耦合这些问题，且随机干扰以及过程机理错综复杂，难以建立被控对象的精确数学模型，采用常规的PID算法很难达到控制要求。

The apparatus adopts the technique of one-chip computer,can set ignition advance angle at random rev of the engine at any time and assists the power test of the engine.The apparatus can survey and describe the best ignition advance angle curve of motorcycle engine and affords gist for the design of motorcycle engine and ignition control.

该仪器采用单片机技术，能够在任意发动机转速下设定任意点火提前角，配合发动机测功试验，可以快速测绘出摩托车发动机最佳点火提前角曲线，为发动机和点火器设计提供依据。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。