三点定位
通过三个位置的定位和距离，来确定他（她）所在的具体位置把自己当做圆心，第一次看到的距离为半径，画个圆，则要找的人一定在圆周上的某个点；站起来朝任意方向走一段，必须是移动100米以上。再得到一个自己和要找的人的距离数字，再画一个圆。可能有1~2个交集点，目标大大缩小；画圆的次数越多，这个交集点就越准确...
word 定位點符號
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