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- Keywords Oxygen-sheathing;MPT;Excitation source;Background emission; 氧屏蔽;MPT;激发光源;背景发射;
- He has a strong political background. 他有强大的政治背景。
- The emission of visible light by a hot object. 白热光物体遇热发出可见光
- 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
- The amount or rate of emission or ejection. 排放量流量、流速,或排出量,排出的速度
- 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。
- 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。
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- One set of provisions tightens emission standards. 一套使排放标准更加严格的规定。
- A brief, sudden emission of air, vapor, or smoke. 一阵烟空气、蒸汽或烟雾短促而突然的散发
- She has a lot of power, but like to remain in the background. 她的权力很大,但是喜欢隐身幕后。
- An example is the emission of light from matter. 物质的发光即为一例。