一种输入设备，有时是指标准打字机键盘的一部分，包括一个单独的用于有效数据输入的数字和功能键网格。
An input device, sometimes part of a standard typewriter keyboard, consisting of a separate grid of numerical and function keys arranged for efficient data entry.
功能键：键盘上，一组用来命令电脑进行某个特别功能的键；它通常贴有标签。
Function keys: a set of keyboard keys that are used to command the computer to perform a specific function and are generally labelled.
在功能键副键盘的最下方设置有输入法切换键；
The two sub keyboards comprises a digital processing sub keyboard and a function key sub keyboard;
通过系统级键盘挂钩和鼠标挂钩实现对键盘扩展功能键的支持，论文演示了处理挂钩回调函数的详细代码。
This paper presents the codes of hooking and callback function in detail. It USES keyboard hooking and mouse hooking techniques to support extension of the Win32 keyboard.
键盘两侧的打字键区和功能键区采用符合人体工程学的斜向设计，使得键盘的操作更为舒适。
The typing key zone and the functional key zone at both sides of the keyboard adopt an oblique design meeting human engineering, which makes the operation of the keyboard to be more comfortable.
其中，该主键盘上布设有第一功能键组用以输出一 键盘码，并于主键盘上设置第一切换键可传输讯号至电 脑主机；
Herein, a first functional key group for outputting a keyboard code is provided on the main keyboard, and a first switching key for transferring signals to computer host machine on the main keyboard;
其中，该主键盘上布设有第一功能键组用以输出一 键盘码，并于主键盘上设置第一切换键可传输讯号至电 脑主机；
Herein, a first functional key group for outputting a keyboard code is provided on the main keyboard, and a first switching key for transferring signals to computer host machine on the main keyboard;
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