Study on Sample Size of Control Chart of Multiple Sources;
多变异源控制图样本大小的研究
In this papper,some methods estimating sample size and statistical power in non matched and matched case control designs,are described.
目的 :论述病例 对照研究设计中样本大小与统计功效估计方法。
coverage and importance value) to examine the effects of sample size on diversity measures,and with 3 methods designed to determine critical number of quadrats ( CNQ ) (i.
利用盖度和重要值两个多度指标对北京东灵山地区小龙门林场的５个植物群落进行了研究，以考察样本大小（即样方数量）对多样性测度的影响，并设计了３种方法来确定临界样方数量（即多样性测度趋于稳定时的样方数量）。
Convergence condition of individual sample size about data among the road quota based on the theory of student distribution;
基于t分布理论的公路定额数据小样本容量的收敛条件
Estimating analysis of least sample of microwave effects experiment
微波效应实验最小样本量估计分析
6 Magnitude of swatch:The amount of products every swatch.
6样本大小:样本中所包含的样本单位数,称为样本大小。
probability proportionate to size
样本大小的概率比例
Reliability Test Sample Size Decision-Making Based on Simulation Method
基于仿真方法的可靠性试验样本大小决策
Methods The criterion of mean square error (MSE) was used to determine the pool size and the number of pools.
方法 以均方误差达到预定精度要求为准则,确定混合样本大小与混合样本量。
Choice of sample size to estimate the average quality of a lot or process
GB/T4891-1985为估计批(或过程)平均质量选择样本大小的方法
Research on the Approach of "Composite Standard Deviation" of Large Sample Created from Small Sample in Statistics of PE;
小样本合并成大样本的“组合标准差”简易求解新方法及其应用
Use a trowel to collect about 1kg of sediment from the bottom of the stream.
利用一个小铲,收集大约1000克的河床物质样本。
Processing of Gross Error in Small Samples Based on Measurement Information Theory
基于测量信息论的小样本粗大误差处理研究
Consisting of particles of essentially the same size, as soil.
同样的由最基本的同样大小的微粒所构成的，如土壤
A be the same size as b .
A和B的大小一样。
But the sea was very rough and our little boat could not live for long in thad wild water.
但大海太粗暴了，我们的小船在这样的大浪中根本没法长时间航行。
"If there is a stream nearby, also collect some stream water."
若样条经过小溪,也取小溪的水样本。
maximum likelihood large-sample test
极大似然大样本检验
What do think about this novel?
你觉得这本小說怎么样？
manufacturer's brochures
制造厂样本(小册子)
Large Sample Properties of m Dependent Data with Missing Values
缺失数据下m相依样本的大样本性质
"Like outdoor advertising, transit advertising offers frequent exposure to large numbers of people at low cost."
与户外广告一样，移动广告也以较小成本向大量观众传递信息。
If we wish to avoid the inaccuracies caused by the size of the sample, we need to use the T distribution.
为了避免因样本容量大小而造成的误差，我们必须使用T分布。