您要查找的是不是：
- A Robust Algorithm for Moving Object Detection and Background Maintenance 一种稳健的运动探测与背景维护算
- The machinery requires constant maintenance. 这些机器需要经常保养维修。
- 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！
- Maintenance of PC is in my element. 我对电脑的维修保养很在行。
- 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
- He's taking classes in car maintenance. 他正在上汽车维修课。
- She came from a privileged background. 她出身於特权阶层。
- Who is responsible for the building's maintenance? 谁负责这座大楼的保养事宜?
- 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。
- Has he enrolled in the car maintenance class this year? 他今年报名参加汽车维修班的学习了吗？
- The petitioner ask for a variation in her maintenance order. 上诉人要求对她生活费的命令的条件进行变更。
- He was lurking slyly in the background. 他狡猾地躲在背後活动。
- A lot of the cost of maintenance go into renew brake. 很多的维修费用都花在了更换煞车方面。
- 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 had to work hard for the maintenance of his family. 他为了养家不得不去拼命工作。
