As a new wireless communication protocol, bluetooth has a strong function in data and sound transportation within a shortdistance.
蓝牙是一种新型的短距离无线通信协议，它可以实现小范围的数据、语音的无线连接。
2
The characteristics of China's rural transportation are as follows , freight volume small, the distanceshort, the goods to disperse, and on the poor road conditions.
我国农村运输业的特点：运量小、运距短、货物分散，并且可行驶的道路条件差。
3
Bring forward the policy recommendations that less developed regions should shorten the transport distance with the developed areas as short as possible, thereby reducing the transportation costs.