In this paper, a freehand sketch-based three-dimensional CAD system is studied and implemented.
该文研究并实现了一种新型的基于笔的手绘草图三维CAD系统。
In this paper we have studied a three-dimensional modelling approach based on freehand sketch.
研究一种基于手绘草图进行三维建模的方法。
Then the double scanning recognition sketch based on the one dimensional wave in time field is determined for the concrete system.
针对具体的弹载系统，确立基于时域一维波形的二次扫描识别方案。
This note takes a sketch of a proof of a characterization theorem for diffeomorphisms oa a compact 3-dimensional smooth manifold to be structurally stable.
本文摘要叙述有关三维紧致光滑流形上结构稳定的微分同胚的一个特征性定理的证明。
This note takes a sketch of a proof of a characterization theorem for diffeomorphisms oa a compact 3-dimensional smooth manifold to be structurally stable.
本文摘要叙述有关三维紧致光滑流形上结构稳定的微分同胚的一个特征性定理的证明。
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