行迹

无需网络，利用GPS测距。或者帮助你从一个陌生的地方走出来：
1. 忠诚记录你刚刚发生的途径形状。在必要时你可以逆着这个形状最终回到你原来的起点；
2. 用短信告知别人你所在的坐标；
3. 在谷歌卫星地图中查看你到底在哪； No network, using GPS distance. Or help you from a strange place to come out:
1 way to shape your loyalty record just happened. When necessary, you can shape the final against this back to your original starting point;
(2) Coordinate with text messages to inform someone where you are;
3 See where are you at Google satellite map;