sample field survey

常见例句

Methods Field observation and survey in the 16 sample hospitals chosen by the means of comprehensive index evaluation.
方法对采用综合指数法抽取的16所样本中医院用观察法实地调查。
At last, this study chooses some sample checkpoints, verify the accuracy of method by high-resolution image and field survey.
最后，通过格网结点确定检验样本点，采用高分辨率影像和实地考察等手段检验方法的精度。
Based on the field survey of 462 sample rural families in Shaanxi Province, the paper analyzed the factors influencing these farmers' willingness to invest in health.
文章基于对陕西农村的462个农户的实地调查，分析了影响农户健康投资意愿的因素。