1) tapping step
抽头阶段
3) two-stage procedures
两阶段抽样
1.
In this paper,we design a confidence interval for the exponential distribution parameter based on Type-I censored samples by two-stage procedures.
利用两阶段抽样,构造了定时截尾试验下指数分布参数的一个置信区间,它同时满足预先指定的可靠度和精度。
2.
In this paper, we design a confidence interval for the exponential distribution parameter based on TypeⅡ censored samples by two-stage procedures.
利用两阶段抽样 ,构造了定数截尾试验下指数分布参数的一个置信区间 ,它同时满足预先任意指定的可靠度和精
4) three-stage sampling
三阶段抽样
1.
A balanced three-layer sample rotation pattern is presented in this paper to solve the problem of rotation for the quarterly surveys with three-stage sampling designs.
本文构造了一种平衡的三层次样本轮换模式,解决了三阶段抽样季度调查的三层次样本轮换问题。
2.
Another balanced three-layer sample rotation pattern based on the former one given by the author is presented to solve the problem of rotation for quarterly surveys with three-stage sampling designs;and the new one has the same characteristics of keeping the sample match rates constant when any rotation is conducted as the former one.
针对采用三阶段抽样设计的季度调查,在此之前构造的一种平衡三层次样本轮换模式的基础上,构造了另外一种平衡的三层次样本轮换模式。
5) multi-stage sampling
多阶段抽样
1.
Ratio estimation method and optimum allocation of sample sizes in multi-stage sampling;
多阶段抽样比率估计及其样本量的选择
2.
This research addresses the application problem of multi-stage sampling on random decrement method for parameter identification of a dynamic system.
本文将多阶段抽样技术应用于随机减量法中随机减量信号的提取,用以解决结构振动参数识别中计算量比较大的问题。
6) Four-stage sampling
四阶段抽样
补充资料:验收抽样检验和监督抽样检验标准
验收抽样检验和监督抽样检验标准
standards for acceptance sampling and audit sampling inspection
扣nshou ehoUVa叩Jianyan he iiandu eh以JYang iianyanbi0Ozhun验收抽样检验和监督抽样检验标准(stands记sfor accepteLnce sampling and audit saznpling Ins侧沈-tion)有关抽样检验的中华人民共和国国家标准至1卯8年已达20个。其中验收抽样检验标准有巧个,它们是:①《逐批检查计数抽样程序及抽样表》(GBIT2828一1987),②《周期检查计数抽样程序及抽样表》(G田T282乡一1987),③《不合格品率的计量抽样检查程序及抽样表》(GBIT6378一1986),④《计数序贯抽样检查程序及表》(GBZT8()5l一1987),⑤《单水平和多水平计数连续抽样检查程序及表》(CBIT 5052一1987),⑥《不合格率的计量标准型一次抽样检查程序及表》(GBIT 8()53一1987),⑦《平均值的计量标准型一次抽样检验程序及抽样表》(GBIT 8()54一1卯5),⑧《不合格品率的计数标准型一次抽样检查程序及抽样表》(GB/T13262一1991),⑨《跳批计数抽样检查程序》(GWT13263一1卯1),⑩《不合格品率的小批计数抽样检查程序及抽样表》(GB/T 13么抖一I卯I),⑧《抽样检查导则》(G田T13393一1卯2),⑩《挑选型计数抽样检查程序及抽样表》(GBIT13夕场一l卯2),O《粒度均匀散料抽样检验通则》(G脚T 13732一l卯2),。(孤立批计数抽样检验程序及抽样表》(GBIT 1523乡一l更抖),0《计量截尾序贯抽样检验程序及抽样表》(GBIT l63()7一l型拓)。 监督抽样检验标准有5个,它们是:①《产品质量监督计数抽样程序及抽样表》(GBIT 14162一1卯3),②《产品质量平均值的计量一次监督抽样检验程序及抽样表》(GB/T 14灾盯一l臾抖),③《产品质量监督小总体计数一次抽样检验程序及抽样表)(CBITI,侣2一1卯5),④《产品质量监督复查程序及抽样方案》(GBIT163C盼一1性尧刹玉),⑤《产品质量监督计数一次抽样检验程序及抽样方案》(eBzTI科37一l期)。 在上述的抽样检验标准中,较有代表性的抽样检验标准是GBIT2828、GB/T132以、GBIT6378、GBlT8()54,月41,、侧,J
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