1) sample proportion
样本成数
1.
The paper explains the variance of sample means and that of sample proportion with the unrepeatable sampling in finite population are more complicated than with the repeatable sampling and with the unrepeatable sampling in infinite population.
说明有限总体不重复抽样方式相比于重复抽样方式和无限总体不重复抽样方式,样本均值方差和样本成数方差较复杂,需根据总体单元总数进行修正,增加一个有限总体修正系数的因子。
2) completed sample
完成样本数
1.
The extent of influence on estimation, which is caused by sample size and completed sample, is also studied in the paper.
通过对均匀分布估计量的期望、方差、方差比进行分析比较,给出了选取样本容量以及完成样本数对所作估计产生影响程度的结论。
3) paired-sample
成对样本数据
4) sample cost
试样成本
1.
The optimum combination of cement-mixing ratio, additive-mixing ratio and water-cement ratio is obtained according to the unconfined compression strength and sample cost, and can act as a valuable reference for practical projects.
以无侧限抗压强度和试样成本为考核指标,得出水泥土试样在2 8d和90d时水泥掺入比、添加剂掺入比和水灰比的最佳组合,为实际工程提供有价值的参考。
5) integrated sample
样本集成
1.
Furthermore, it is pointed out that the integrated sample is one of the valid methods in which the data compression ratio is raised.
给出一种压缩比和失真可调的SAVQ压缩方法，指出提高数据压缩比的有效方法之一为样本集成，同时介绍了用该技术对北京天文台太阳射电频谱仪上的两个波段（1。
6) cost of sampling survey
抽样成本
补充资料：成数溢额再保险
成数溢额再保险
【成数溢额再保险】亦称“定额溢额混合合约再保险”。成数再保险合同与溢额再保险合同结合于一个合同的一种再保险方式。把成数分保合同的责任限额作为溢额分保的自留额，并以成数分保合同限额的若干倍数组成溢额分保的最高责任限额。该方式实际上是保险人将溢额分保合同的自留额以成数分保方式安排了再保险，从而弥补了成数分保合同和溢额分保合同的不足。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条