Radiology and Nuclear Physics. An object or device that is placed in the path of a beam of X-rays, particles, etc., in order to absorb components…
单词 | θ79513 |
释义 | the world > matter > physics > atomic nucleus > radioactivity > [noun] > material reducing intensity of radiation (1) filter1903 Radiology and Nuclear Physics. An object or device that is placed in the path of a beam of X-rays, particles, etc., in order to absorb components… |
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