地图比例尺1:50000,表示图上1cm等于实地( )m。 选项: A:50$;$500$;$5000$;$50000 B:50$;$500$;$5000$;$50000 C:50$;$500$;$5000$;$50000 D:50$;$500$;$5000$;$50000 比例尺 实地 图上 发布时间:2024-04-04 16:50:59