roentgen-equivalent
... roentgen伦琴伦琴 Roentgen-equivalent伦琴当量 roentgenogramX射线照 ...
equivalent roentgen
... equivalent resistance 等效电阻 equivalent roentgen 伦琴当量 equivalent roughness coefficient 当量粗糙度系数 ...
[核] roentgen equivalent
... roentgen contrast 释义伦琴反差 Julius Roentgen 朱利叶斯·隆特根 roentgen equivalent 伦琴当量 ...