结果表明，幼虫的种群密度愈高，理论抽样数就愈少；
The results showed that the higher the population density of the larvae, the less is the theoretical number of sampling clumps;
在相同误差水平，理论抽样数随平均虫口密度的增加而减少。
Under some level of error, the theoretical sampling number should decrease as the average density of the mite increases.
并确定了该天牛幼虫林间调查的最适理论抽样数和序贯抽样模型。
Otherwise, the optimal theoretical sampling number of the larva and the sequential sampling model were obtained.
不同抽样方法的比较结果，以平行线法效果最好，并确定了理论抽样数。
The compared results of different sample methods showed that them eans of the parallel lines was the best one and the theoretical sample number was also determined.
在分布型研究基础上，探讨了资料代换模型，最适抽样数和种群序贯抽样模型。
The model data conversion, the population sequential sampling and the theoretical sampling number model were also built up in the paper.
根据竹螟幼虫分布的特点，确定了不同密度下的最适抽样数、序贯抽样的应用和调查取样方法。
The optimum sampling number, the sequential sampling application and the sampling method at different densities were determined based on the characteristics of the larva's distribution.
在空间格局研究的基础上提出了理论抽样数，并通过不同抽样方式的精度比较，得出平行线抽样方式最佳。
The theory sampling number was presented on the base of the spatial pattern. Several sampling methods were compared and the results showed that the parallel sampling method is the best.
标准普尔500指数有多少个抽样部门？
从所有的区域和它们的估计人口列表中得到总分组数，再将总分组数除以30得到分组抽样间隔k。
The total number of clusters, drawn from a list of all sections and their population estimates, is divided by 30 to obtain the cluster interval K.
是抽样计算呢，还是必须实际的数呢？
Is sampling to be countenanced, or must actual counting be employed?
利用卷积反投影算法对图像进行重建时，要降低成本，提高成像效率，就必须选取合理的抽样间距和投影数。
It is important to select suitable sampling space and projection data for reducing cost and improving the image reconstruction efficiency in convolution backprojection algorithm.
要从工作负荷中进行抽样的最大查询数。
采用永久随机数法抽样技术抽到的样本具有很好地样本兼容的性质。
Samples drawing by the sampling techniques of Permanent Random Numbers (PRNs) have good characteristic of sample coordination.
注：2002年后粮食播种面积为抽样调查数。
在以累积虫苞数为纵坐标、抽样次数为横坐标的图上，标出“接受”和“拒绝”的区域。
We made a graph and vertical is number cumulated of gall, abscissa is sample times, line out"accept"or "unaccept"in graph.
注：本表数据为农村住户抽样调查数。
Note: The data of this table are collected from sample survey on rural households.
该抽样方案包含一系列表格，告诉使用者对给定的批量如何采用样本量和与不同的AQL值相应的接收数(口)。
The plan consists of a series of tables, that tell a user the sample size to employ for a given lot size and the corresponding acceptance number (a) for various AQLs.
注：本表数据为抽样调查数。
注：本表数据为抽样调查数。
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