本文的研究对象——下潜平台，就是在这种背景下出现的。

The object studied in this paper, a submergence platform, comes forth under this background.

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本文旨在研制安全、高效、经济的下潜平台，主要研究下潜平台的控制系统，并对此作四个方面的工作。

This paper aims to develop a secure, efficient and economical submergence platform, mainly researches the control system of the submergence platform, and has done four aspects on this study.

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通过风洞模型试验，分析了深水半潜式海洋平台自存状态下的风压分布及风载荷变化规律。

The evolution of wind pressure distribution and wind loads changing to semi-submersible platform on limit self-existence status are analyzed.

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通过风洞模型试验，分析了深水半潜式海洋平台自存状态下的风压分布及风载荷变化规律。

The evolution of wind pressure distribution and wind loads changing to semi-submersible platform on limit self-existence status are analyzed.

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