QUESTION IMAGE
Question
- which letter indicates a sternlight on this boat?
a - on top of the vessel
b - in the front on the left
c - in the front on the right
d - in the rear of the vessel
识别船尾灯的定义
在航行灯 (Navigation Lights)和航海安全 (Boating Safety)的规则中,船尾灯(Sternlight)是一种白色的灯,安装在船尾(rear of the vessel),其照射角度为 \(135^\circ\),主要用于向船只后方的其他船只表明自身位置。
分析图中的字母标记
- 字母 A 指向船体上方(On top of the vessel)的桅顶灯或全向白灯。
- 字母 D 指向船尾(rear of the vessel)的白色灯光,其光照范围向后方发散。
匹配选项
根据上述分析,字母 D 代表船尾灯(sternlight),对应选项 "D - in the rear of the vessel"。
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- A - On top of the vessel
- B - In the front on the left
- C - In the front on the right
- D - in the rear of the vessel (Correct answer)