在过去的90年间，我们所看到的电影都是以这样的方式拍摄而成。但在李安将画面频率提升至120帧之后，电影里就连眼睛活动的细节都栩栩如生。

For the past 90 years we have been watching films made this way, but by speeding things up to 120 frames, details such as the movement of a pair of eyes is presented in lifelike detail by Lee.

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还请注意我们已经将画面速度减慢为每秒1个画面(因为这也是更新自然发生的频率)。

Note also that you slow the frame rate down to one frame per second (because that's the frequency at which updates naturally occur).

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彩虹现象的频率取决于画面内容，观看距离还有观看者对彩虹的敏感性。

The frequency of rainbows is dependent on content, viewing distance, and the viewer's sensitivity to the phenomenon.

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