pointing device

基本解释

A mouse is a pointing device designed to be gripped by one hand.
鼠标是为一只手抓握而设计的指示设备。
For example, while 'mouse' is a small furry animal in a pharmaceutical lab, it is a pointing device in a computer lab.
例如，在药物实验室“鼠”是一种小的有毛动物，而在计算机实验室中，它却是一种定位设备。
The paper describes the structures of the pointing device, the design process of precise pointing and the result of life test.
文中给出了指向器的结构组成、指向精度设计过程以及寿命实验结果。

Now, however, Apple is pushing a new kind of pointing device.
FORBES: Killing The Mouse, Softly
Another alternative to the mouse as a pointing device is to use a gaze-tracking camera, which works out where you are looking and moves an on-screen pointer accordingly.
ECONOMIST: Computer interfaces
The first was the graphical user interface, using a mouse as a pointing device, which Jobs adapted (some might say stole) from Xerox PARC and SRI to make the Macintosh.
FORBES: Apple's Siri: 'The Culmination Of Steve Jobs' Legacy'