There are no active volcanoes in the Coral Sea area, undersea or above sea level. The buoy in question rode above the deep trench just north of the Coral Sea Islands.
珊瑚海地域的海下河海表面之上都没有活跃的火山，而被谈及的这个浮标就在珊瑚海诸岛屿北面的深深的海沟上边。
Buoy floats on the sea to mark a safe or dangerous area.
浮标漂浮在海上标记出安全和危险区域。
Just for a minute or two, and I saw buoy sinking, there must be a fish took.
刚钓一两分钟，我就看见浮标往下沉，一定是有鱼上钩了。
The time history of drift motion of mooring buoy in regular wave and wave group is calculated. The relation between drift motion and wave height or difference of frequency is discussed.
计算了规则波和波群中系泊浮筒漂移运动的时间历程，讨论了其运动与波高、频差的关系。
The time history of drift motion of mooring buoy in regular wave and wave group is calculated. The relation between drift motion and wave height or difference of frequency is discussed.
计算了规则波和波群中系泊浮筒漂移运动的时间历程，讨论了其运动与波高、频差的关系。
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