sample field survey

基本解釋

Methods Field observation and survey in the 16 sample hospitals chosen by the means of comprehensive index evaluation.
方法對(duì)采用綜合指數(shù)法抽取的16所樣本中醫(yī)院用觀察法實(shí)地調(diào)查。
At last, this study chooses some sample checkpoints, verify the accuracy of method by high-resolution image and field survey.
最后，通過格網(wǎng)結(jié)點(diǎn)確定檢驗(yàn)樣本點(diǎn)，采用高分辨率影像和實(shí)地考察等手段檢驗(yàn)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.
文章基于對(duì)陜西農(nóng)村的462個(gè)農(nóng)戶的實(shí)地調(diào)查，分析了影響農(nóng)戶健康投資意愿的因素。