A big help was that I found a digital model of the building on the net.

一个很大的帮助是，我发现了在网建立数字模型。

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The feature of product model on hull structure was studied, and combined with modern ship building pattern, the establish method of ship digital model was put forward based on OOP and modularization.

通过研究船体结构产品模型的特点并结合现代造船模式，提出了基于面向对象、模块化的船舶数字化模型的建立方法。

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On the basis of analysis of digital city research framework and existing 3d urban model, this paper researches mainly the techniques of building model based on CSG in digital city.

本文在对数字城市的研究体系和三维城市模型进行分析的基础上，着重对数字城市建筑物的构造实体几何(CSG)建模方法进行了研究。

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