A. 具有正向和逆向算法 B. 具有三维数字图像重建DRR功能 C. 具有任意切面图像及剂量分布显示功能 D. 兼具有模拟类似常规模拟定位机的射野选择功能 E. 以上各项
A. Land first sighted when vessel approaching from seaward B. Land last sighted when vessel leaving from a port C. In sight of one another when vessel underway D. In sight of an island during a ship on her voyage
A. 正确 B. 错误