multi-stage sample的意思
multi-stage sample中文翻譯:
[統計]多級樣本
multi───pref.多
sample───n.樣品,樣本;(化驗的)抽樣;(用于新樂曲中的)節錄樂曲;確定(模擬信號)瞬時值;v.品嘗,體驗;抽樣檢驗;節錄(某一曲子,用于新樂曲中);n.(Sample)(美、英、愛爾蘭)桑普爾(人名);adj.樣品的,作為例子的
stage───vt.舉行;上演;籌劃;n.(Stage)人名;(英)斯特奇;vi.舉行;適于上演;乘驛車旅行;n.階段;舞臺;戲劇;驛站
multi object───多目標
stage by stage───adv.逐步地,一步一步地;分階段地
multi color───adj.五彩繽紛的,多色的;n.多色
vital multi───生命多重
multi coating───n.多層鍍膜
multi grain───雜糧
Methods the study sample was got by multi-stage randomized sampling, and the injury information of the inhabitants aged over 18 years in Guangdong province was collected by questionnaire.───方法按分層整群抽樣的方法抽取樣本,并通過問卷調查的方式收集有關廣東省18歲以上居民的傷害信息。
give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.───階段抽樣比率估計及其樣本量選擇的問題,給出了比率估計抽樣均方誤差的近似公式及其漸近無偏估計的公式。
Large-scale sample surveys are always undertaken with stratified multi-stage sampling.───大型抽樣調查總是采用分層多階段抽樣。
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