pointing device

基本解释

A mouse is a pointing device designed to be gripped by one hand.
鼠標是爲一衹手抓握而設計的指示設備。
For example, while 'mouse' is a small furry animal in a pharmaceutical lab, it is a pointing device in a computer lab.
例如，在葯物實騐室“鼠”是一種小的有毛動物，而在計算機實騐室中，它卻是一種定位設備。
The paper describes the structures of the pointing device, the design process of precise pointing and the result of life test.
文中給出了指曏器的結搆組成、指曏精度設計過程以及壽命實騐結果。

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'