本文的研究结果，对于航天、航空、航海中的充液系统动力学与控制问题，都有重要的参考价值。

The results of this paper are useful for the dynamics and the control of liquid-filled systems in the astronautics and aeronautics and ocean engineering.

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一个尚未解决的问题是该系统的动力学与控制的研究。

The problem of dynamics and control of the system is considered unsolved so far.

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提出了如何开展挖掘机运动学与动力学的研究，以及采用挖掘机工作过程自动控制系统的建议。

Recommendations on how to perform the kinematic and dynamic research of mechanical shovels and the implementation of automatic control system for the operating process of the shovel are presented.

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