Photo Tip: When your subject is of indeterminate size-a mountain, a body of water, a snowscape-add a sense of scale by including something of known size, such as a person, a car, a tree, or an animal.

拍照小技巧：当拍摄对象的大小不容易看出来的时候——例如拍摄一座山，一片水域，一处雪景——在画面中加入一样可以确知大小的对象，例如一个人，一辆车，一只动物等。

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However, sliders are an excellent choice for zooming interactions, such as adjusting the scale of a map or the size of photo thumbnails.

不过，滑块在缩放交互中是最佳的选择，比如调整地图的比例或者是图片缩略图的大小。

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If you have a special event together like a wedding, holiday or just a photo of yourself you can get it blown up to a large size, put on canvas or framed to give your valentine.

如果你有特殊事件如婚礼，假期或者你自己的照片的话，你可以把它放大，用帆布覆盖或者给它装上框子，把它送给你的情人。

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There are also the big three photo sharing services, but there your friends will also be restricted to viewing a reduced size photo or have to pay to download the original resolution if that's even offered.

ENGADGET: Switched On: High-resolution photos want to be free

Most companies offer deals so parents can purchase a digital file of the school photo or a variety of different-size photos, or a combination package of digital and print.

WSJ: It's Picture Day, Say 'Cheesy'

On a scale to which no photo or video can do justice, the Grand Canyon impresses with its size, span and color.

FORBES: Magazine Article