These might include the inability to discern visible or auditory cues or to operate a pointing device.
这些可能包括不能分辨视觉或听觉信号或者不能操作定位设备。
A mouse is essentially a pointing device that allows the user to do many operations more quickly than he could with the keyboard alone.
鼠标是一个必要的外部设备，它可以使用户以比仅使用键盘快得多的速度完成许多操作。
The stylus is a more comfortable pointing device than a mouse for little hands, and it also lets children create their own digital sketches.
对孩子的小手来说，指示笔是一个比鼠标更舒适的指向设备，它还可以使孩子们创作出他们自己的数字素描画。
Through them Mr. Jobs popularized the graphical user interface, which, based on a mouse pointing device, would become the standard way to control computers.
这期间，乔布斯的努力使得图形用户界面流行起来，基于鼠标定点装置的图形用户界面最终会成为控制计算机的标准方式。
We learn to point at things before we learn to speak, so the mouse is a very natural pointing device.
我们会说话之前就已经学会用手指东西，所以鼠标是一个很自然的指针设备。
In addition, a user is able to do precise work with the pointing device since the pointing device is able to move along a curved surface.
此外，由于所述指针设备可以沿着曲面移动，用户可以使用该指针设备完成精确地操作。
Direct manipulation of objects on a screen is made possible through the use of a pointing device. Clearly, the best way to point to something is with your fingers.
使用点操作设备就可以直接操作在屏幕上的对象，显然最好的指点设备莫过于自己的手指。
When you compare computers, assess the ergonomics of a laptop while trying it out in a store. Make sure that the keyboard and pointing device are comfortable to use.
当你比较电脑时，在商店里多试一下，感觉一下笔记本的人体工程学如何，确定键盘和鼠标用起来舒服。
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.
另外一种鼠标替换物是视线跟踪系统，它能判断出你的视线移动的位置并相应地调整屏幕光标移动的位置。
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.
另外一种鼠标替换物是视线跟踪系统，它能判断出你的视线移动的位置并相应地调整屏幕光标移动的位置。
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