一个在GPS软件中应用，用来显示地图的程序，可以设置对应的当前所在点的位置，并且闪烁红点-A GPS software application program used to display the map, you can set the corresponding location of the point where the current, and flashing red dot

gps控制网优化，可以找所选边号及根据两端点号找基线-gps control optimization, you can find a number of selected edges and ends of the dot to find according to the baseline

很全的at指令，使用时直接修改后缀为dot即可，非常好用-Very wide at command, when used to directly modify the suffix dot can be very easy to use