datum ['deɪtəm] 名词
数学	gegewens; data; datum
data ['deɪtə] 名词
数学	data; datum; gegewens
英语 词库
datum geodetic ['deɪtəm] 形容词
美国	A reference surface consisting of five quantities: the latitude and longitude of an initial point, the azimuth of a line from that point, and the parameters of the reference ellipsoid; The mathematical model of the earth used to calculate the coordinates on any map. Different nations use different datum for printing coordinates on their maps (JP 2-03)

datum : 25 短语, 1 学科

数学

25