结果表明：罐内液体的晃动是长周期运动，并且是多阶振型的组合。
The result shows that the liquid sloshing appears as long period and combination of multi-modes.
分析船舶的运动规律和控制方法可以通过海上实验，但实船海上实验存在成本高，周期长，而且具有一定的危险性等缺点。
Movement rules and control methods of ships can be analyzed through ship experiments at sea, however, these experiments are of high cost, long cycle, and sometimes have some risks.
分析船舶的运动规律和控制方法可以通过海上实验，但实船海上实验存在成本高，周期长，而且具有一定的危险性等缺点。
Movement rules and control methods of ships can be analyzed through ship experiments at sea, however, these experiments are of high cost, long cycle, and sometimes have some risks.
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