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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The country has been split between politicians who have strong EU ambitions, and those who lean more towards Russia - with ECR group leader Michal Kaminsky saying that the EU should not let Ukraine "drift to the east".

BBC: Debate on Ukraine