中文谷beta rays造句怎麼寫
- 造句
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2、??and ??have been suggested as the best sources of beta rays for these measurements.
1、The most damaging radiation are gamma rays and x-rays; energetic alpha rays (streams of helium nuclei) and beta rays (electrons) can also damage cells.
3、The Jixi's fluorite was irradiated by beta rays in order to find the thermoluminescence characteristics of this fluorite.
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