英語 English：Digital Elevation Model
日語 Japanese：数値標高モデル (すうちひょうこうもでる)
類義 Synonym：DEM XYZ model Elevation map
意味 Meaning：Digital Elevation Model is a map with elevation data. In simple terms, it is a three-dimensional map with length, width, and height.
Digital Elevation Model allows users to see the height of buildings and trees at a glance.
DEM is the abbreviation for Digital Elevation Model among developers.
解説 Commentary：Digital Elevation Model is a spec and there are a number of implementations such as SRTM, ASTER, and ALOS.
多言語対応 Multilingualism：
韓文 Hanguel：수치표고모형 (RR2000 suchipyogomohyeong 발음 수치표고모형 suchipyogomohyeong)
中文 Chinese：繁体 數字高程模型 簡体 数字高程模型 (
shùzìgāochéngmóxíng shu4zi4gao1cheng2mo2xing2)
探究 Further study：
CGIAR (Consultative Group for International Agricultural Research)
CGIAR-CSI (Consultative Group for International Agricultural Research-Consortium for Spatial Information)