I can now recognize what are widely described as the various "colors" of noise: blue noise is a muted, more summery version of white, while brown noise is bassy and deep.

我现在意识到什么是广泛应用与各种“颜色”的声音：忧郁的噪音是沉默的，更多的是夏日白色版本，然而深褐色的噪音是低音加重加深的。

youdao

The green noise halftoning have these blue noise advantages, besides, it can be used in the harder condition, so the green noise have more halftone robustness than the blue noise.

绿噪声半调技术具有蓝噪声的优点，同时在算法的健壮性方面有很大的提高。

youdao

This hardly ever happens out of the blue: there are usually warning signs such as noise, vibration or heat.

机器是不可能突然故障的：通常机器在故障前会有告警信号，例如噪音、振动或发热。

youdao

But,if a child is choking and cannot make noise or is turning blue, parents should know the Heimlich maneuver, or for babies under the age of one, give a few quick slaps on the back and then chest thrusts.

VOA: standard.2010.02.23

His face seemed misshapen, and even the tip of his noise, which was nearly always purple, had turned bright blue with fright.

NPR: Excerpt: 'Pinocchio'

Inside, designers sought to create a comfortable and spacious cockpit with noise-reduction features and a combination of bright accents in Electric Blue and chrome.

ENGADGET: Chevy details 2014 Spark EV: under $25,000, 0-60 in 8 seconds and a 20-minute fast charge