... 低原子序数材料|low-atomic-number material 低原子序数的|low-atomic-number 低噪声的|low-noise ...
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low-atomic-number material 低原子序数材料
low atomic number 低原子序数
material low-atomic-number 低原子序物质
low-atomic number 低原子序数
The density measurement technology of foam material with low atomic number was established by low energy X-ray radioscopy .
采用低能X射线对低原子序数泡沫样品进行透射照相，以胶片作为记录介质，对材料密度进行测量。
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