roentgen 是什么意思 roentgen 怎么读
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英 ['rɜːntjən]
英 ['rɜːntjən]
美 ['rentjən]
美 ['rentjən]
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n. 伦琴;X射线
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adj. X射线的
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Roentgen.
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n. 伦琴(姓氏;德国物理学家)
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=röntgen.
roentgen的英文翻译是什么意思,词典释义与在线翻译
Noun:- a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
- German physicist who discovered x-rays and developed roentgenography (1845-1923)
roentgen的用法和样例
用作名词 (n.)
- William Roentgen discovered X-rays.
威廉
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