用普通数码相机获取数字影像具有一定的优势，但由于普通数码相机是一种非量测相机，其数据处理需要特殊方法。
Ordinary digital camera has its own advantages in obtaining digital images, but its data processing needs a special method because the digital camera belongs to non metric camera.
用普通数码相机获取数字影像具有一定的优势，但由于普通数码相机是一种非量测相机，其数据处理需要特殊方法。
Ordinary digital camera has its own advantages in obtaining digital images, but its data processing needs a special method because the digital camera belongs to non metric camera.
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