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- After introducing all kinds of threshold methods , the principle about background removing is presented . 在搜集研究了各种阈值法后提出了图纸背景消除的原则；
- The algorithm relies on a two-step process in which skin-like regions are first segmented by using skin color filter together with the background removal technique. 算法分两步：首先利用皮肤颜色过滤法和背景去除技术提取出类似皮肤的区域；
- These quadrochromatic, in as far as possible without losing importance quadrochromatic darkened, we should make use of seihan means taking background removal method to make the darkened mlta holdout. 碰到这类草稿，在尽度不得草稿暗调重给性条件下，我们答诳骗制版霸术，采存底色去除办法使暗调不朱层减薄。
- We are removing from London to the country. 我们正从伦敦迁往乡下。
- He has a strong political background. 他有强大的政治背景。
- That incessant background music gets on my nerves. 那没完没了的背景音乐令我非常烦恼！
- Workers are removing impurities from silver. 工人们正去除银中的杂质。
- He has a working-class background. 他是工人阶级出身。
- Get the fall in the background, will you? 把瀑布拍进背景中去好吗？
- A background accompaniment, as for a performer. 伴奏为一个演奏者配音伴奏
- She came from a privileged background. 她出身於特权阶层。
- He came from an impoverished background. 他出身贫寒。
- This book gives the background of the Civil War. 这本书叙述了南北战争的背景。
- Other motives may have lurked in the background. 这后面可能隐藏着其它动机。
- He was lurking slyly in the background. 他狡猾地躲在背後活动。
- Pig iron is converted into steel by removing most but not all the impurities. 生铁变成钢要除掉大部分而不是全部的杂质。
- Here's a handy tip for removing stains from clothing. 这有个除掉衣服上污点的窍门儿。
- Her own particular chip on the shoulder was her poor background. 她感到怨恨的特有原因是她的背景不好。
- He stayed in the background to escape from the public attention. 他呆在幕后为了避开公众的注意。
- He is removing bits of food stuck between the teeth with a toothpick. 他正用一根牙签剔除牙齿间的饭渣。
