| 英语 词库 | |||
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| DEM | |||
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| The representation of terrain surface by continuous elevation values at all intersections of a defined grid, referenced to common datum. (Digital Terrain Model (DTM) is sometimes referred to as DEM.) | |||
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Digital : 30 短语, 3 学科 |
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| 微软 | 22 |
| 数学 | 1 |