Physics and Astronomy. Of, relating to, or designating radiation (esp. in the form of particles) that is not produced by other radiation but which…
| 单词 | θ79358 |
| 释义 | the world > matter > physics > atomic nucleus > radioactivity > ionizing radiation > [adjective] > relating to cosmic radiation (1) primary1900 Physics and Astronomy. Of, relating to, or designating radiation (esp. in the form of particles) that is not produced by other radiation but which… |
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