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。
We learn to point at things before we learn to speak, so the mouse is a very natural pointing device.
两个集成的指针设备包括被动触摸屏和触摸板。
Two integrated pointing devices include passive Touchscreen and Touchpad.
只能将“右键单击”命令分配给一个指针设备按钮。
You can only assign the "Right-click" command to one pointing device button.
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。
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.
无法在指定的设备或文件上设置文件指针。
The file pointer cannot be set on the specified device or file.
无法在指定的设备或文件上设置文件指针。
The file pointer cannot be set on the specified device or file.
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