letteringsˈletərɪŋsBNC²³⁶²¹³⁺¹ 基本例句 n.写字；印字；刻字原型lettering的复数 Geographic elements, map symbols and letterings were selected and designed carefully considering the finial load of the photomap content and vision effect. 根据影象地图的载负量和视觉效果，图上精心选取并设计了地理要素、地图符号和注记。 cnki