2-D input device

• 二维输入设备

2-D input device的用法和样例：

例句

1. Working with precision on three-dimensional objects presents considerable interaction challenges for users equipped with 2D input devices and displays.
   对于只装备了二维输入设备和显示器的用户来说，精确地处理三维对象无疑对交互提出了重大挑战。