Using IKONOS satellite image to produce 1:5000 orthograph is mainly in the research field at present.
我国利用IKONOS卫星影像制作1：50 00正射影像图主要是集中在研究领域。
In a general way, aerial image is not orthograph, most buildings exist slope Angle as well as vertical lines in aerial images.
一般，得到的航空影像并不是正摄影像，在影像中对大多数建筑物均存在倾斜视角，且绝大多数建筑物还存在垂直边缘。
In a general way, aerial image is not orthograph, most buildings exist slope Angle as well as vertical lines in aerial images.
一般，得到的航空影像并不是正摄影像，在影像中对大多数建筑物均存在倾斜视角，且绝大多数建筑物还存在垂直边缘。
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