计算机硬件 输入输出设备 释文 card puncher 卡片穿孔机
- radical humanism
- radical ideal
- radical initiator
- radical innovation
- radical institutionalism
- radical integer
- radical invariant subgroup
- radical ion
- radicalism
- radicality
- radical line
- radical mastoidectomy
- radical number
- radical of a Banach algebra
- radical of a commutative Banach algebra
- radical of a group
- radical of a Jordan algebra
- radical of a Lie algebra
- radical of a module
- radical of an algebra
- radical of an algebraic group
- radical of an ideal
- radical of a quadratic form
- radical of a quadratic space
- radical of a ring