查询词典 random deviate

Secondly, by the P-L estimation of survivor function, this paper proposed the regression models of polynomial cumulative hazard function distribution models, respectively in the case of complete date and random right censoring date; meanwhile generalized least squares estimations of unknown parameters were proposed respectively using two steps algorithm and principal component analysis algorithm.

与已有的关于多项式危险函数模型的研究成果相比，首先本文在统计模型的构造上充分考虑了累积危险函数乘积限估计量的非独立性，给出了协方差矩阵的估计；其次在模型检验方面，本文利用非参数回归分析方法，充分利用了数据本身的信息，减少了对回归关系假定的主观因素，因而分析结果更为可靠。

Proper combinations of number of outcomes, discrete step size, and scaling of the random variable, the discrete cumulate percentage distribution and discrete percentage density will converge to the continuous cumulative probability distribution and probability density function respectively.

适当之出现或试验次数或取样数量、散化阶梯大小、随机变数缩放比例可使离散累积百分比分布及离散百分比密度趋近于连续的累积机率分布及机率密度函数。

The current sensitivity probability density function of energetic materials was deduced based on Frank-Kamenetskii parameter and resistance supposing as stochastic variable of normal distribution, by the application of the probability density formula of function in two random variables.

将Frank-Kamenetskii参数和电阻假设为正态分布的随机变量，应用二维随机变量函数的概率密度公式，推导出了含能材料电流点火感度的概率密度函数。

This study investigated the effects of different platform motion directions (static, heave, roll, pitch and random) and cursor movement angles (0°, 45°, 135°, 180°, 225°, 270° and 315°) on manipulating three different kinds of trackballs to conduct the point-and-click task.

本研究主要探讨船舰载台不同的运动模式（静态、上下起伏、左右摇摆、前后俯仰与随机运动）与平面游标移动角度(0°， 45°， 90°， 135°， 180°， 225°， 270° and 315°)对使用三种不同轨迹球的影响。

Single bit and multi-bit random errors in a data block can be forward corrected with a simple cyclic redundancy check code.

出现差错的符号主要分布在对数似然比绝对值较小的若干符号之中，可以利用这一特性实现差错符号的定位。

Based on the current design method of involute cylindric gear transmission, this paper treats the strength, stress and relevant parameters of the gear as random variables.

本文在现行渐开线圆柱齿轮传动设计方法的基础上，将齿轮的强度、应力及有关参数当随机变量处理。

With the help of DAA protocol,platform can generate a new random identity and anonymouslyprove its validity.

本文分析了DAA算法的特点并对DAA实现的大数运算提出了建议。

"The management of firearms how so random ah "" the gun is come from where ", the near future, several about pop, hold a gun what dacoity news causes many netizens to manage to firearms is anxious.

网友问：枪是从哪里来的？"枪支的管理咋就那么乱啊""枪是从哪里来的"，近期，数起关于枪击、持枪抢劫的新闻引起不少网民对枪支管理的担忧。

Therefore, the random analysis of viscoelastic damped structure is necessary.

本文提出了一种用于分析夹层板的简化有限元方法。

objective to investigate the effect of hyperbaric oxygen pretreatment on enhancing dark adaptation under anoxic condition, and to explore its mechanism.methods forty young soldiers were equally divided into trial group and control group at random.

目的 探讨高压氧干预对提高人体在高原缺氧条件下暗适应的意义。

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。