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| datuak | |||
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| datuak (A representation of facts, concepts or instructions in a formalized manner, suitable for communication, interpretation or processing) | |||
| 英语 词库 | |||
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| 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) | |||
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datum : 58 短语, 3 学科 |
| 微软 | 17 |
| 数学 | 21 |
| 环境 | 20 |