| 释义 |
particulate radiation- 英?[p??t?kj?l?t ?reidi?ei??n]
- 美?[p??t?kj?l?t ?redi?e??n]
英英释义Noun1. a stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons)
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