本论文主要分成五部分来完成：第一部分介绍了徽州古村落旅游开发与保护现状概况。
The thesis consists of five parts. The first part introduces the present status of Huizhou ancient villages 'tourism development and protection.
文章介绍了青海省柴达木盆地盐湖矿产资源的概况、特点以及开发利用现状。
The paper introduces the general situation of exploitation and utilization of salt lake mineral resources in the Chaidamu basin of Qinghai province.
本文探讨了大型工程船舶的概况以及国内外大型工程船舶修理的现状，阐明了实现公司大型工程船舶自修的重要性。
This paper studies the general situation of large-scale engineering ship and its repairing status, clarifying the essentiality of this project for the company.
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