vertical and overhead
垂直和头顶
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Simply hold the camera directly overhead while looking through the viewfinder. Frame the page as much as possible while keeping the horizontal and vertical edges as straight as possible.
一边观察取景器，一边直接将相机举过头顶，尽量在将横边和竖边保持垂直情况下选定图像。
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