【多选题】下面关于地面观测值归算到高斯平面上叙述正确的是( )。
【简答题】They are_________(意识到的)of the ers.
【简答题】Every place offers the possible ers for getting hurt, even staying at work. We may face ers like walking into desks or chairs, receiving unexpected cuts from a paper knife and so on. Industria...
【单选题】地面观测值归算到高斯平面包括( )和方向改化。
【单选题】地面观测值归算到高斯平面包括距离改正和( )。
【简答题】[A] situations [B] directions [C] chances [D]ers
【单选题】用万用表测量交流电压时,应转换到哪个挡位?