Small irregular-shaped holes extracted from this background would then overlay the player's image when the opponent's laser beam struck their targets.

当武士的激光剑击中目标时，从这个背景中提取出形状不规则的小洞，叠加在演员的图像上，效果就像是他被刺穿了。

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By putting text inside of the link and moving it off the screen with text-indent in CSS, you get the benefit of usability without having the text overlay on top of the image.

将文字写在链接中，再用CSS文本缩进将其移出屏幕范围，这样你就无需吧文字叠在图片上而同样具有可用性。

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The illustration above is a concept image showing what it would look like with the lens displaying a digital overlay of the letter E.

上面的插图是一幅概念图片，显示了戴上这种眼镜会看到的情景：画面上叠加了一个字母E。

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Systems that tap a phone's camera and GPS to overlay information on an image of nearby surroundings, also called "augmented reality, " is also in development, officials said.

CNN: U.S. Army may soon equip troops with smartphones

You can continue to overlay more graduated filters on the image.

FORBES: Lightroom 101: Using Graduated Filters for Different Types of Lighting

As a bonus tip for the advanced user, you can also open up PhotoShop or GiMP and overlay the original over the mosaic and alpha it out a bit to make the image pop a some more.

ENGADGET: How-To: Make your own photo mosaics