第三，按照鸭—白航线的营运特点和航道的特殊要求，设计几种新建车客渡的船型，以供备选。
Thirdly, several optional new types of ferryboats are designed to meet the traffic features and special demands of navigation route of the Ya-Bai Sea Route.
阐述综合试验船的设计要求、船型选择、型线优化设计、船模试验研究及实船航行试验。
The design requirements, shipform selection, lines optimal design and model test research, and full scale navigating trial of a test boat with multipurpose are presented.
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