fade-out

基本解释

We're going to fade-out last year's product and start selling the new models.
意思是：“慢慢地，我们就不卖去年的产品而改卖新款了。”
These are the default variables for the position, text contents, and color, font size, fade-in and fade-out speed in milliseconds, and an array to hold the display string.
这些是位置、文本内容和颜色、字体大小、淡入和淡出速度（以毫秒为单位）及保存显示字符串的数组的默认变量。
The contents of these files are self-explanatory, and simply serve to animate the fade-out portion of the rainbow and manage the variables to make sure new components are drawn correctly.
这些文件的内容无须解释，它们只用于实现彩虹的淡化部分并管理一些变量，从而确保正确地绘制新的彩虹段。

The break in hip-hop is that point in the song where the lyrics fade out, the instrumental and the percussion takes center stage, and the B-boys, the break-boys or the break- girls would come on to the dance floor and their thing.
NPR: Getting 'The Message' from Hip-Hop Lyrics
Thing is, while it can be good sales-wise for a car to look novel, going too trendy usually means sales will fade out quickly.
FORBES: The Ugliest Cars of 2013
Rogers and Canadian bank CIBC struck a deal for NFC-based mobile payments back in May, long enough ago that it was starting to fade out of the public consciousness.
ENGADGET: Rogers, CIBC may launch Suretap NFC-based payments on October 15th, require a unique SIM

an optical effect in which a shot slowly disappears into darkness
to decrease or cause to decrease gradually, as vision or sound in a film or broadcast

淡化
The research of fade-out Spring festival could raise our attention to it and reevaluate Spring Festival.
研究春节在现代情境下的淡化状况,能引起我们对春节的更多关注,以及对春节价值的重新评估。
电子、通信与自动控制技术
（尤指电离层干扰引起的）无线电通讯暂时中断
(电影银幕、电视屏幕上面画、图像的)渐隐，淡出；音量的渐渐减少