理学 计算机输入输出设备 释 magnetic card machine 磁卡机 一种读写磁卡数据的设备，可以实现对磁卡数据的读取和写入。
计算机硬件 输入输出设备 释文 magnetic card machine 磁卡片机 计算机硬件 输入输出设备 释文 magnetic card machine 磁卡片机
- theory of communication
- theory of communication effect
- theory of communication network
- theory of communicative action
- theory of complexity of computations
- theory of complex multiplication
- theory of computation
- theory of computer science
- theory of computing
- theory of conditioned reflex
- theory of conduct domination
- theory of conformal mappings
- Theory of Confucian Collection
- theory of congruence model
- theory of conic sections
- theory of connections
- theory of constitutive functions
- theory of continental drift
- theory of continued fractions
- theory of continuous rolling
- theory of contradiction
- theory of controls
- theory of correspondences
- theory of counting
- theory of covering surfaces