The TECK Model 207's keys are arranged in the standard QWERTY fashion but, because of the symmetrical layout, some keys are located in different positions compared with conventional keyboards. This is ...
8 天on MSN
Ever wondered why only 'F' and 'J' have bumps on the keyboard; the reason is surprisingly smart
Tiny raised lines on the F and J keys, known as tactile markers, serve as crucial landmarks for touch typists. Patented in ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
反馈