查询词典 test at random

Hence we first propose a globally optimized random search algorithm and prove its asymptotic global convergence; then to improve its convergence velocity and reduce implementation complexity, we propose a practical sub-optimal random search algorithm and analyze its implementation complexity.

为此本文首先给出了一种用于OFDM符号估计的全局最优随机搜索方法，并证明了其渐进全局收敛特性；同时为了改进全局最优的随机搜索算法的收敛速度和实现复杂度，提出了一种可实现的次优的随机搜索算法，并结合实现分析了所提的次优随机算法的计算复杂度。

However, many people think random thoughts, which leads to lives that are lived at random as well.

然而，许多人认为随想，从而导致生活是住在随机的。

Initial random imperfections of composite panels are assumed to be Gaussian random fields and simulated numerically from their mean and autocovariance functions. Lindstedt-Poincare's perturbation technique is employed to solve the resulting nonlinear equation in the vibration analysis of imperfect composite panels. Monte Carlo analyses are performed for detailed numerical calculations.

层板之随机性几何缺陷以高斯随机场来描述，并利用其平均值函数及自方差函数来做数值的模拟；以Lindstedt-Poincare微扰方法来处理缺陷复合层板之非线性运动方程式，并使用蒙地卡罗法来做详细的数值分析。

A random model for problem 1 shows that the random variable of the number of renting DVDs satisfies binomial distribution.

在租赁过程中，网络经营者主要关注DVD的预测、购买和分配。

He will continue using the Rocket Blast, targeting the area underneath a random player; Rapid Burst will simply damage a random player, whereas Heat Wave will inflict fire damage on the whole raid.

他会继续使用火箭打击瞄准随机一个目标的脚下。快速爆炸对随机目标造成伤害，热波则会对全团造成火焰伤害。

The Monte Carlo method is firstly used to simulate random burst of bomblet, the damage radius, amount of bomblet, then draw damaged areas, statistics damage effect, calculate damage efficiency. Lastly calculate the expectation of final damage efficiency of shrapnel through mass random simulation experiments.

文章首先用Monte Carlo法仿真子母弹中子弹的随机落点、于弹毁伤半径和子弹数并绘出子弹毁伤幅员，尔后统计毁伤效果、计算毁伤效能；最后通过大量的随机模拟实验，计算出最终的子母弹的毁伤效能期望。

Therefore,in order to simplify the proving process of these inequalities.Though reading a lot of relevant resource,we begin with the basic concept of math,and use an ingenious way――probabilistic method, which means that according to the main features of inequality theory,combining the basic concepts and formulas of probability,through creating one suitable probability model,giving some concrete meanings of random events or random variables,proving through probability theory,we discuss the Cauchy inequality,Class inequality,Jensen inequality,and several common inequality's proofs.

因此，为了简化这些不等式的证明过程，通过阅读大量的相关资料，本文从数学的基本概念入手，运用了1种巧妙的方法——概率方法，即根据不等式的主要特征，结合概率论的1些基本概念和公式，通过建立1个适当的概率模型，赋以1些随机事件或随机变量的具体含义，再利用概率论的理论加以证明，讨论了柯西不等式，级数不等式，詹森不等式和几个1般不等式的证明。

Longitudinal and correlated data are commonly modeled with generalized linear mixed models which contain both fixed and random effects. The source of the random effect may come from the genetic heredity, familial aggregation, or environmental heterogeneity. The inference of its variance component is usually difficult due to the dimension of its covariance matrix and the complexity of the likelihood function.

在生物医学统计中常接触到具有相关性的资料，这些相关性可能是基因、环境、重复测量或是时间所造成的；在这一类型的研究中，我们通常不只对治疗的效用有兴趣，观测值的变异以及观测值之间的相关性亦可能是我们所关注的量，这些变异或相关形式都可以被称为变异数成份。

The result shows that the probability arithmetic of the random crack core evolvement without considering some simultaneous fiber breaks brings marked errors , and computational precisions of the random crack core evolvement probability and composite st rength could be enhanced with considering some fiber breaks at the same time.

计算表明：忽略多根纤维同时断裂的算法会使随机裂纹核扩展概率计算结果产生较大的误差，而考虑多根纤维同时断裂的算法可以提高裂纹扩展概率的计算精度，从而有利于提高复合材料强度的预测精度。

The back propagation artificial neural net is applied in random response analysis of structure. Thus, the process of finite element computing repeat several times and train BP net between the random input variables and the corresponding response parameters.

采用BP人工神经网络这一映射迅速的运算方法，通过计算少量样本对应的有限元结果，进行训练，将训练好的网络用于结构的随机响应分析。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切