two-stage sampling 中文意思是什麼

two-stage sampling 解釋
二層抽樣
  • two : n. （pl. twos）1. 兩人；兩個東西，一對。2. 二的記號。3. 兩點鐘。4. 兩歲。n. -ness
  • stage : n 1 講臺；舞臺；戲院，劇場；〈the stage〉戲劇，戲劇藝術；戲劇文學；〈the stage〉戲劇業；劇壇。2 ...
  • sampling : n. 1. 取樣（品），取標（本）〈指行動或程序〉。2. 樣品，標本。3. 剽竊拼湊歌曲。
  1. In chapter 1, the author first study the two - stage confidece intervals for the variance of a normal distribution, then work out the optimal sample size of the first stage by numerical computations and establish a proof for the non - existence of fixed - size sampling

    在第1章里，作者首先研究了正態總體方差的兩步置信區間，並用數值計算的方法給出了第一步的最優抽樣量，且證明了固定樣本抽樣的不存在性。
  2. Study on the second stage sampling method of two - stage sampling survey for waterway transportation volume

    水路運輸量抽樣調查中的第二階抽樣方法
  3. Two - stage sampling

    二階段抽樣
  4. Using stratified two - stage sampling, collaborated with the nature of processed data and hierarchical cluster, the design can fairly satisfy the requirements of different levels regarding to the economic development of yunnan province and its sampling technology

    摘要為適應雲南省經濟體制的發展，提高應用抽樣調查技術的水平，在考慮雲南省個體或私營企業有關調查數據特點的基礎上，設計了具有針對性的自然分層與聚類分層相接合的分層二階抽樣方案。
  5. Two - stage sampling has only one chance of using the information provided by samples to determine the following plan. pure sequential sampling, however, could use sampling size sparingly. in addition, in some cases, pure sequential procedures have to be applied to acquire the confidence intervals which meet the demands

    兩步抽樣，只有一次機會利用樣本信息決定今後計劃，採用純序貫則可使平均抽樣次數節省，另外，在一定的分佈族中必須採用純序貫才能取得滿足要求的區間估計。
  6. Methods centers of disease prevention and control in three parts of china had been sampled by two - stage stratified sampling method to investigate the fulfillment degree of quality and quantity of the treatment management of hypertension patients in community and its influencing factors

    方法運用分層抽樣、問卷調查的方法，獲得社區高血壓患者治療規范管理的數量完成程度和質量達標程度及相應難點。
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