其次，对液化石油气船舶运营的相关问题，进行了详细，深入地分析研究。
Second, the pertinent problems with LPG fleet management are detailed analyzed and studied.
本论文旨在研究大远液化石油气（简称LPG）船舶运营管理问题。
The problem about management of LPG fleet is mainly studied in the paper.
本论文旨在研究大远液化石油气（简称LPG）船舶运营管理问题。
The problem about management of LPG fleet is mainly studied in the paper.
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