Both the aspect ratio and coverage of field are important factors in defining a true panoramic image.
宽高比和覆盖范围都是评判一张照片是否是全景图的重要因素。
This generally means it has an aspect ratio of 2:1 or larger, the image being at least twice as wide as its height.
这通常意味着它的宽高比为2：1或者更大，也就是图像的宽度至少是高度的两倍。
This means that the aspect ratio of the new image will be the same as that of the previous image.
这意味着新的图像的高宽比与原图相同。
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