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random sampling method中文是什么意思

  • 随机采样法
  • 随机抽样法
  • 随机取样法

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  • 例句与用法
  • Methods : 2502 residents above 15 years old were selected and studied through random sampling methods in beijing
    方法:采用随机抽样方法对北京市人口15岁以上的2502人进行流行病学调查。
  • In order to study the awareness , treatment and control rates andthe risk factors of hypertension in qingdao rural residents , a cluster random sampling method was used
    为了调查青岛农村居民高血压的患病率、知晓率、服药率、控制率及其影响因素,采用整群随机抽样法,对7个村的18岁以上居民进行血压测量及相关因素调查。
  • This paper deals with the problem of non - uniform weed numbers obtained with all types of random sampling methods , discussing the importance of statistical control methods in herbicide efficacy evaluation and showing pertinent calculations
    针对随机取样中的各样方内杂草数目不一致问题,讨论了统计控制方法在除草剂药效评价中的重要性以及计算过程。
  • The questionnaires were given to rafters , in siaokuluan and lao - nong river , and non - random sampling method is used . 292 effective questionnaires were collected by siaokuluan river , 325 by lao - nong river
    本研究采问卷调查的方式,对象为参与花莲秀姑峦溪及高雄?浓溪泛舟之游客,并于两条溪流泛舟终点采便利取样方式进行调查,时间从2005年8月至9月于周休二日假日时实施。
  • According to the hierarchical random sampling method , we select three areas which are jinan , taian and dezhou . in order to know the morality present situation , then some teachers and students were chosen among the 49 the senior middle schools in jinan , 35 ones in taian and 30 ones in dezhou as research objects
    利用分层随机抽样的方法从高、中、低三个层次抽出济南、泰安、德州三个地区,然后再从济南市49所高中、泰安的35所高中、德州的30所高中中分别随机分别抽出两所高中(分重点和非重点)的体育教师、学生为研究对象,依此来了解山东省体育教师的道德现状。
  • 其他语种释义
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Last modified time:Fri, 15 Aug 2025 00:29:56 GMT

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