This paper introduces two key mouse communication protocol, mapping relation between mouse coordinate and display coordinate and the method of controlling mouse drive.

本文介绍二键鼠标通信规程，鼠标坐标到显示坐标的映射关系，及鼠标设备的控制方法。

youdao

Choose all of them by pressing the Shift key and scrolling the mouse from the top of the list to the end.

通过按下shift键并从列表的顶部滚动鼠标直到末尾，选择所有表。

youdao

They use a trackball to move the cursor and scroll the screen, but it is more like cursor-key functionality rather than a mouse pointer.

它们使用轨迹球移动指针和滚动屏幕，但是这更像是指针-键功能而不是鼠标指针。

youdao

In many mobile applications, the finger has replaced mouse and key or button entry.

FORBES: Surrounded By Devices, We Inhabit A World of Increasing User-Centricity

While the Mobile Mouse has just the Start key and a scroll wheel, though, the bigger Comfort Mouse takes things a step further: the button there doubles as a capacitive surface you can swipe to toggle through open programs in Windows 8.

ENGADGET

The shift key pans a camera down, and the mouse controls a laser pointer.

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