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datum

['deɪtəm] 名词
数学 податак
data ['deɪtə] 名词
数学 податак
 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
: 33 短语, 3 学科
微软5
数学15
经济13