| 摘要 |
The keyboard assembly includes a typing alphanumeric key section 11, a function key section 12 above the typing section, a cursor and screen-control key section 13 at the right side of the typing section, and a number/editing key section (numeric keypad) 14 at the left side of the typing key section. Whilst using the assembly, a user can use the right hand for operating a mouse whilst using the left hand for operating the number/editing section, which reduces the load/burden on the right hand. The keys in the number/editing section may be reversed along a central vertical line (Fig.3). The keyboard assembly is suitable for use by a left-handed user.
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