Virtual Track ball 虚拟轨迹球
Optical track ball 松下原装轨迹球
track-ball pointer 跟踪球式指示器
track-ball 轨迹球
track ball pointer 转球式指示器
track-ball support 跟踪球的支持
Ball Track 球沟道 ; 钢球沟道 ; [机] 轴承滚道
Track the ball 轨迹球
track-rod ball plug 横联杆球塞
N-COUNT A trackball is a ball on some computers that you turn in order to move the cursor. 追踪球 [计算机]
Place mouse or track ball next to keyboard.
将鼠标器或跟踪球放在键盘旁。
Input devices include keyboards and pointing devices such as mouse joystick track ball or light pen.
输入设备包括键盘和点击设备如鼠标,操纵杆,跟踪球或光笔。
Input devices include keyboards and pointing devices such as mouse, joystick, track ball, or light pen.
输入设备包括键盘和点击设备如鼠标,操纵杆,跟踪球或光笔。
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