【单选题】He likes ____ planes. He likes ____, too. [ ]
【判断题】可以通过输入一个点的坐标值或测量两个旋转角度定义观察方向。
【判断题】图示的是该刚架在当前荷载作用下的弯矩图形状。( )
【单选题】He likes to play basketball very much. He wants to make ______ by ______ basketball in the future. [ ]
【判断题】可以通过输入一个点的坐标值或测量两个旋转角度定义观察方向
【判断题】图示的是该刚架在当前荷载作用下的弯矩图形状。( )