The practice has proved that the full digital photogrammetry technology has remarkable economic and social benefits, compared with a traditional photogrammetry.

实践证明，全数字摄影测量技术与传统的摄影测量相比，具有明显的经济效益和社会效益。

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Aerial photos are the basis of the full digital photogrammetry and directly affect the quality of mapping, therefore, aerial data should be carefully checked and accepted.

航摄像片是全数字摄影测量的重要依据，直接影响成图质量，必须认真进行航摄资料的检查验收工作。

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