Terms for subject Mathematics containing Key Data

English	Chinese
key-to-casette data input device	键到磁带匣数据输入装置
key-to-disc data input system	键到磁盘数据输入系统
key-to-floppy disc data input device	键到可换磁盘数据输入装置
key-to-tape data input device	键到磁带数据输入装置
key-to-tape data input system	键到磁带数据输入系统