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roentgen
英汉字典
英英字典
解释
人名;
德国物理学家;
同义
roentgen
r
词性
n
解释
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
示例
None
同义
roentgen
rontgen
wilhelm konrad roentgen
wilhelm konrad rontgen
词性
n
解释
German physicist who discovered x-rays and developed roentgenography (1845-1923)
示例
None