1) paired samples
成双样本
2) double sample
双样本
1.
The testing problem of double sample’s average vector and covariance matrix has been solved in the paper.
从应用角度出发,解决了双样本均值向量和协方差矩阵的检验问题。
3) 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。
4) 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。
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：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
CAS：38051-10-4
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
分子式：C13H24Cl6O8P2
中文名称：2,2-双氯甲基-三亚甲基-双[双(2-氯乙基)磷酸脂]
英文名称：2,2- bis(chloromethyl)-trimethylene bis[bis(2-chloroethyl)phosphate]
phosphoric acid, 2,2-bis(chloromethyl)-1,3-propanediyl tetrakis(2-chloroethyl)
2,2-bis(chloromethyl)trimethylene bis(bis(2-chloroethyl)phosphate)
2,2-bis(chloromethyl)-1,3-propanediyltetrakis(2-chloroethyl)phosphate
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