standard distribution

The lognormal distribution , like the normal, is completely specified by its mean and standard deviation.

对数正态分布,如同正态,以其平均值和标准差被完全地指明.

The investigation and analysis were carded out on the distribution and characters of Bombax ceiba in Hainan Province, and a preliminary classification standard was formed.

对海南木棉的分布特点进行了调查和分析，并初步确立了分类标准。

Some shortcuts may be achieved to the expense of check , built into the standard distribution procedure.

有些简化法是牺牲标准分配过程中的核算得到的.

For estate insurance, heavy-tailed distributions, such as subexponential distribution, have been regarded as standard model for individual counterclaim.

在财产保险业中，重尾分布（如次指数分布）已经被认为是个体索赔额的标准模型。

The conclusion is: the method of averager wind speed and standard deviation is the best and the method of cumulative distribution function is the better, the method of average wind speed and maximun wind speed has a large fluctuation because the maximum wind speed changed more randomly.

通过比较得到了以下结论：平均风速和标准差估计法效果最好，累积分布函数拟合法次之，由于最大风速变化比较随机，平均风速和最大风速估计法效果波动最大，整体效果差。

As the same time, the distribution function of Individual Income Tax can be developed effectively, through of raising the standard of the exemption, adjusting the marginal tax rates and the tax rate structure, etc.

通过提高费用扣除标准、调整边际税率和税率结构等手段，降低低收入者的税收负担，增加对高收入者的征税力度，发挥个人所得税调节收入分配的职能。

Then, we describe the time distribution of practical overtime by chi-square distribution. After deducing the wage-output efficiency, we take it as the assessing standard of wage-pricing method, and find the optimization model with which the optimal wage-pricing is satisfied.

然后应用X2分布描述了加班时实际工作时间的分布，得出了工资产出效率，以此作为工资定价的评价标准，导出了最优工资定价方案满足的优化模型。

Using mean and standard deviation to describe abnormal distribution is the principle problem of data description.

用均数和标准差描述呈非正态分布的数据是描述数据时存在的首要问题。

Help us implement the existing C-based Ruby libraries in the standard distribution.

帮助我们在实现在标准分发版本中已有的基于C语言的Ruby类库。

PAN standard sample with broad distribution has been adopted to simulate to work out equation of GPC revised curve of PAN by means of designed program in computer, and repeated the results of precision test can reach the limit of the error.

采用宽分布的聚丙烯腈共聚物（Polyacrylonitrile简称PAN）标准样品，通过编制的计算机程序，模拟计算出PAN的GPC校正曲线方程，对宽分布的标准样品进行重复测定，重现性试验结果符合误差要求。

A new method for direct measuring interface temperature and its distribution along diameter direction for friction welding joint between the same or different materials is put forward by using the standard thermal couple in combination with natural thermal couple.

将标准热电偶与自然热电偶两种测温方法结合起来，提出了一种能直接测量同种及异种材料摩擦界面温度及其沿径向分布的新方法。