Modern 3-D technology works by rapidly flickering two versions of the movie and projecting them onto each eye.

现代3D技术的工作原理是通过快速闪动两个版本的电影，并将它们投射到每只眼睛上。

youdao

Try to reduce your eye rests to 3-4 per line, maybe evenless as you get better… keep the eye moving smoothly line after line, lettingyour mind drink in the knowledge on the line.

试着让你的眼睛在读过3-4行文字后再进行休息，或者任意你觉得效果更好的行数，保持眼睛在多行文字间顺畅地移动，大脑沿着这条线不断地获取知识。

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The result: Each eye sees the image meant for it, and the onscreen image appears to pop out in 3-d.

结果就是：每只眼睛看到相应的图像，屏幕上的图像于是显示出3d效果。

youdao

The latest 3-D TVs work by dividing picture images in two,one for each eye.

VOA: special.2010.01.26

So each eye sees a slightly different image, producing the 3-D effect.

VOA: special.2010.01.26

(Speaking) But a study at the University of California Berkeley found that 3-D movies can cause eye strain.

VOA: standard.2010.02.21

Since human depth perception relies on calculating the difference between the angle of view coming to each eye, the result is a 3-D optical illusion.

FORBES: Adventures in the Third Dimension

With a choice of using either the Electronic Viewfinder (EVF) with eye sensor, or the high resolution, 3.0-inch free-angle LCD to compose your shots and movies, you can capture the moment as the situation demands.

ENGADGET: Panasonic's Lumix lineup grows: DMC-G5 Micro Four Thirds, DMC-FZ200 superzoom and DMC-LX7 hands-on and sample shots

After taking in the panoramic views of the Cascade Mountain range and downtown Portland, head back down via the Marquam Trail, following the 4T signs to the Portland Aerial tram, where futuristic pods offer a birds-eye view of the city while transporting you 3, 300ft in three minutes, depositing you at Southwest Waterfront Street directly across from the Portland Streetcar, which will take you back downtown.

BBC: Portland's urban adventures