random sampling

音标发音

• 英式音标 [ˌræn.dəm ˈsɑːm.pəl.ɪŋ]
• 美式音标 [ˌræn.dəm ˈsæm.pəl.ɪŋ]
• 英式发音
• 美式发音

基本解释

• [数] 随机抽样；随意采样

同根派生

英汉例句

双语例句

• Methods:The peasant-workers were random-sampling surveyed by SCL-90 and SWLS.
  方法：采用SCL-90量表和SWLS量表进行随机抽样调查。
• Methods Using the same protocol and questionnaire, performing cluster-random-sampling survey for the population aged over 40 years in Liwang district of Guangzhou.
  方法采用统一调查表格，以整群随机抽样方法，调查年龄在40岁以上的人群，并进行肺通气功能检测。
• By using the simple random-sampling method, this paper researches on the influence of the mark plants before the entry point of superhighway's ramp on the responding time of the driver.
  采用简单随机取样法，研究了高速公路匝道入口前的标志植物对驾驶员反应时间的影响。

权威例句

• MessageLabs, the email-filtering company that Symantec acquired in 2008, posted a set of word maps today measuring the frequency of terms in spam emails from a random one-week sampling of junk mail pulled from the most prolific spam-spewing botnets.
  FORBES: The Most Common Words In Spam Email
• Public-health officials already conduct random sampling, so getting the participants to name a few friends too should not be onerous.
  ECONOMIST: Epidemiology: Infectious personalities The

词组短语

短语

• random -sampling oscilloscope 随机取样示波器
• Random ear sampling 随机果穗取样
• random cluster sampling 整群抽样
• random equivalent sampling technology 随机等效采样
• Random overall sampling 随机整体抽样

英英字典

剑桥英英字典

• the process of choosing items to test without using any pattern as to how they are chosen