They can move along the surface like this for 15 feet (4.5 meters) or more.
这样它们能在水面前进大约15英尺(4.5米)或者更长距离。
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。
The pointing unit is designed to enable a mouse pointer to move on a monitor screen depending on the extent of sliding of the pointing unit along the curved surface of the support unit.
本指针装置根据其沿曲面支撑装置的曲面进行滑动的程度,可使鼠标指针于显示屏上进行移动。
The pointing unit is designed to enable a mouse pointer to move on a monitor screen depending on the extent of sliding of the pointing unit along the curved surface of the support unit.
本指针装置根据其沿曲面支撑装置的曲面进行滑动的程度,可使鼠标指针于显示屏上进行移动。
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