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一个完全数据模型应该以这三个尺寸为基础:基准、方位和高度。
A complete data model should be based on these three dimensions: ground, position, and elevation.
youdao
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一个完全数据模型应该以这三个尺寸为基础:基准、方位和高度。
A complete data model should be based on these three dimensions: ground, position, and elevation.
youdao