理学 计算机输入输出设备 释 off-line equipment 脱机设备 不受计算机控制，也不与其通信，独立进行信息处理工作的输入输出设备。
计算机硬件 输入输出设备 释文 off-line equipment 脱机设备
- nullity of a link
- nullity of a manifold
- nullity of a matrix
- nullity of an operator
- nullity of a space
- nullity of a transformation
- null line
- null matrix
- null method
- null model
- null morphism
- null mutation
- null object
- null object of a category
- null-pair
- null path
- null plane
- null point
- null polarity
- null polynomial
- null-property
- null ray
- null-recurrent
- null-recurrent point
- null recurrent state