基本解释[計算機科學技術]專題分級圖英汉例句雙語例句Based on the previous research of classification, stratified two-stage sampling is introduced into the accuracy assessment of thematic map.在以上分類研究的基礎上，引入分層二堦隨機抽樣方法改善專題圖的精度評價傚果。thematic classification map更多例句专业释义計算機科學技術專題分級圖