| 释义 |
roentgen/ˈrʌntjən; ˈrɜ:nt-, ˈrɒnt-/n. a unit of ionizing radiation, the amount producing one electrostatic unit of positive or negative ionic charge in one cubic centimetre of air under standard conditions 伦琴(辐射剂量单位，表示标准条件下在一立方厘米空气中产生一个静电单位正(或负)离子电荷的辐射量) [named after W. C. Röntgen, German physicist (d. 1923), discoverer of X-rays] |