功能键 meaning in English

function keys
functional key

Typewriters - layout of printing and function keys
打字机打印键和功能键的布局
Office machines . symbols . function key symbols for typewriters
办公机械.符号.打字机功能键符号
Obtains the next character or function key pressed by the user
获取用户按下的下一个字符或功能键。
Function key ; get back to the main installer process with
功能键以存取该控制台返回主安装进程使用
Operations guide : key control , the space bar to the function keys
操作指南：方向键控制，空格键为功能键

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