Draughting instruments with or without graduation . part 1 : draughting scale rulers 帶或不帶分度的繪圖儀器.第1部分:繪圖比例尺
Draughting instruments with or without graduation ; part 1 : draughting scale rules ; identical with iso 9960 - 1 : 1992 帶刻度或不帶刻度的繪圖儀器.第1部分:繪圖比例尺
The major considerations in proposing this scheme include the purpose of the classification , mapping scale , source of data , technological approach in producing the landuse plan , size of the study area and compatibility with previous work and national landuse standards 提出這一方案時考慮了多種因素,包括分類目的、繪圖比例尺、資料來源、繪制土地利用圖的技術途徑、研究范圍規(guī)模、以及與以前工作成果和國家標準的相容性。