Aerialphotography is the main information source of remote sensing and military reconnaissance. The sufficiency and accuracy of acquired information can be directly affected by aerialimage quality.
航空摄影是遥感和军事侦察的主要信息源，航空图像质量的好坏直接决定着所获取信息的充分性和准确性。
2
But unlike other roaming system, the system bases on the satellitic image and aerialphotography of different geographical areas and different resolution.
但不同于一般的虚拟漫游系统的是，本系统的数据源是不同地理区域的不同精度的卫片和航片影像。
3
It is inevitable to bring image motion during aerialphotography because of the existence of relative speed between plane and ground scenery and other factors.