... level of radiation 辐射能阶 low level gamma radiation meter 低剂量辐射仪 high-level radiation 高能阶辐射 ; 高强度辐射 ...
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So what is an acceptable level of radiation?
那么可接受的辐射量是多少?
The level of radiation decreases dramatically as distance from the site increases.
随着与出事地点之间的距离增加,辐射程度显著降低。
The level of radiation Fievet USES in his lab is many times higher than the radiation in the water around Fukushima.
Fievet在实验室中所用的射线放射性水平比福岛周围水域中的放射性要高出许多倍。
In any CT scan, the radiologist determines the required level of radiation.
VOA: standard.2010.01.30
So what we'll do is this problem here, which is let's calculate out what the wavelength of radiation n would be emitted from a hydrogen atom if we start at the n equals 3 level and we go down to the n equals 2 level.
我们来做这个问题,让我们来计算一下,从n等于3到,等于2能级氢原子辐射的波长是多少。
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