The question is,how do you work out - direction is the north in the open area?
问题描述：
The question is,how do you work out - direction is the north in the open area?
which ,when ,why ,how 选择其中之一填空,
答
which,问题是你怎样能在野外找到北,文艺点说就是你怎样能在野外确定北的方向?