Computer keyboards are also a major source of radiation, perhaps you did not know.
也许你还不知道，电脑键盘也是主要的辐射源。
Distance — the more distance between you and the source of the radiation, the less radiation you will receive.
你离放射越远，你受到的辐射越少。
This radiation possibly is a source of cosmic rays.
这种辐射可能成为宇宙线的一个源。
The density logger consists of a radiation source.
密度测井仪包括辐射源。
For example high noise, use of radiation source, potential drop objects etc.
例如噪音、放射源的使用、可能坠落的物体等。
For example high noise, use of radiation source, potential drop objects etc.
例如噪音、放射源的使用、可能坠落的物体等。
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