1. An instrument for measuring the loss in intensity of a light beam through a solution that contains suspended particulate matter. 
   浊度计测量和比较液体浊度的仪器，其方法是观察通过含有悬浮物质的溶液的光，并测定其亮度的损失
2. atomic beam and molecular beam 
   原子束和分子束
3. In wave propagation, the intensity of a beam which is proportional to the square of the amplitude of oscillation. It is a measure of the strength of the radiation. With light waves, intensity is an indication of brightness and in sound it is a measure of loudness. 
   在波传播中，波束的强度，与振幅的平方成正比，用它来衡量辐射的强弱。对于光波束来说，它表示光的亮度；而对于声波来说，它表示响度。
4. high flux electron beam and ion beam 
   强流电子束和离子束
5. intensity of spectral line 
   谱线强度

查看更多例句 相关情景会话

• 1. 光束强度
  光束指示器 beam indicator...光束强度 beam intensity...横梁膝架 beam knee
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• 2. 光束亮度
  光度特性 photometric characteristics...光束亮度 beam intensity...光束中心 beam center
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• 3. 束量度
  beam instability 束粱稳定性...beam intensity 束量度...beam monitor 束拎测器
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• 4. 光束中心
  photometric characteristics 光束亮度...beam intensity 光束中心...beam center 远光束
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