对照样品
基于1个网页-相关网页
pneumatically controlled sample leak 气动控制进样漏孔
Thermostatically controlled sample introduction chamber 恒温样品进样室
quality-controlled water sample 质控水样
big sample randomized controlled 大样本随机对照
big sample randomized controlled trial 大样本随机对照试验
Up until recently, the predominant approach has been frequentist statistics, the kind you most likely learned in school, which utilizes controlled variables and large sample sizes to arrive at conclusions that are statistically significant.
FORBES: Strategy at Digital Speed
The one-metre-long remote-controlled chopper allows Dr Acevedo-Whitehouse's team to take a sample without the whales being disturbed.
BBC: How do you breathalyse a whale?
应用推荐
模块上移
模块下移
不移动