random sampling method meaning in English
随机采样法
随机抽样法
随机取样法
Examples
- 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。