航空影像资料的收集提供了无受限制的海拔资料还有南北地平线资料。
The collection of photogrammctric data provides free elevation data in addition to the northing and easting data of the ground plane.
航空影像资料的收集提供了无受限制的海拔资料还有南北地平线资料。
The collection of photogrammctric data provides free elevation data in addition to the northing and easting data of the ground plane.
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