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- Omar Almaini of the Royal Observatory in Edinburgh, Scotland, and his collaborators estimate that up to 30 percent of the cosmic infrared background is ultimately generated by AGNs. 苏格兰爱丁堡皇家天文台的欧麦尼和他的合作伙伴估计，由AGN所产生的宇宙红外背景辐射其上限高达30%25；
- Infrared Background Sensor Survey 红外线背景传感器测量
- Infrared Background signature Survey 红外背景测量仪
- Infrared Background Imaging Seeker 红外线背景成像导引头
- Infrared Background Limiting Imaging Seeker 红外背景受限成像探测器
- Algorithms of infrared background suppression and dim target detection 红外背景抑制与弱小目标的检测算法
- Algorithm of infrared background suppression and small target detection 红外背景抑制与小目标检测算法
- 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！
- 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。
- The gunsight has an infrared lens for night vision. 射击瞄准器装有用于夜间视力的红外线镜头。
- Small target detection algorithm based on infrared background complex degree description 基于红外背景复杂程度描述的小目标检测算法
- 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。
