alphameric key

• 字母数字键

alphameric key的用法和样例：

例句

1. Editing begins when any alphanumeric key is pressed while the cell has focus.
   当单元格获得焦点时按任意字母数字键开始编辑。
2. The numeric key will be preserved and thus the association remains.
   数字键名将被保留从而原来的关联保持不变。