1. a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle. 
   一支蜡烛的点光源在每英尺表面的照度的单位。
2. galactic radio background radiation 
   银河背景射电
3. Background and Appreciation of poems  
   诗的背景及欣赏
4. Similarities in age and background 
   (争辩等）处於即将爆发的状态
5. Look into sb.'s background 
   调查某人的背景情况

查看更多例句 相关情景会话

• 1. 背景照明
  background hump || 本底突峰...background illuminance || 背景照明...background illumination || 背景照明
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