单选题
1分
A FICTIVE LINE DISPLAYED ON THE RADAR SCREEN SEPARATING THE FAIRWAY FOR INBOUND AND OUTBOUND VESSELS...
A FICTIVE LINE DISPLAYED ON THE RADAR SCREEN SEPARATING THE FAIRWAY FOR INBOUND AND OUTBOUND VESSELS SO THAT THEY CAN SAFELY PASS EACH OTHER defines ______.
参考答案: C
参考解析: 在雷达屏幕上显示分隔进口或出口航道以便他们能够彼此安全通过的虚拟线定义为参考线。