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单词
oxygen enhancement ratio
释义
oxygen enhancement ratio
ox·y·gen en·hance·ment ra·ti·o
(OER)
(
ok'si-jĕn en-hans'mĕnt rā'shē-ō
)
Ratio of the dose of radiation necessary to produce a given biologic response in the absence of oxygen to the dose required to achieve the same response in the presence of oxygen.
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更新时间：2026/7/11 0:27:15