accidental sampling是什么意思

网络释义

用法例句

A new data management algorithm for anycast based random sampling in sensor networks;

传感器网络中基于任播的随机抽样数据管理算法

Composite random sampling algorithm for scheduling concurrent projects;

并行工程项目调度的组合随机抽样算法

In the existing methods of random summing of total resource,the shape of the total resource curve sometimes distributes skewly,in view of which,the new method was put forward to improve random sampling.

针对现有的资源总量随机求和中存在的资源总量曲线形态有时呈偏态分布的问题,提出了对其随机抽样方法的改进方案,即把随机抽样入口由原来定义在(0,1)区间上改为定义在(0,ki)区间上(ki为第i个局部地质单元的石油资源量保险系数),利用(0,ki)区间上均匀分布的随机数对风险分析后的资源总量分布函数进行随机抽样。

Based on random sample statistic analyze comparing the no-nitriding part's geometry parameters on the nitriding ones ,this paper finds the changing trend of an important corner parameter of SMD159502 valve.

随机抽样统计分析发现,渗氮前后SMD159502进气门一个重要的角度参数发生了明显的趋势性变化。

The result resembles closely the effect of continuous-tone. Stochastic is a mathematical term that describes randomness. Also called FM (Frequency-modulated) screening.

其效果接近全色调，[随机]是描述随意抽样的数学名词。亦称调频式加网。

Most charge systems in operation rely on self-monitoring by polluters, with random spot checks by the regulators;

现行的大多数收费制度主要是依靠污染者自行监测，同时有管理人员随意抽样检查；

a random sample, selection, etc

随意抽取的样品、 任意选择的东西

an inquiry into public opinion conducted by interviewing a random sample of people.

随机抽样接见民众以探测民意。

random sampling

随机抽样,随机采样

single random sampling

单次随机抽样 单次随机抽样

simple random sampling

简单随机抽样 简单随机抽样

covariance for simple random sampling

简单随机抽样协方差

Proportion allocation in stratified random sampling

按比例分层随机抽样

precision of simple random sampling

简单随机抽样精密度

Methods of random sampling by utilizing electronic sampler of random number

GB/T15500-1995利用电子随机数抽样器进行随机抽样的方法

timates in stratified random sampling

分层随机抽样的比率估计值

Method To visit and talk with interviewees who are chosen with random sampling.

方法　进行随机抽样的入户访谈式调查。

Randomized Response Techniques for Complex Survey Designs;

随机化问答技术在复杂抽样中的应用

Spot Check and its Application in Product Design;

产品设计中抽样随机调查方法的应用

A Multi-Pass Biased Random Sampling Method for Scheduling Multiple Projects;

随机抽样算法在多项目调度中的应用

Making Statistic Random Sampling Teaching Courseware with Excel;

用Excel制作统计随机抽样教学课件

THE RATIO ESTIMATION OF RANDOMIZED TWO-PHASE SAMPLING SURVEY

二项抽样下随机化调查的比估计模型