基于无监督学习的二维工程CAD模型端到端检索算法 (End-to-End Retrieval Algorithm of Two-dimensional Engineering CAD Model Based on Unsupervised Learning). - Fanzhi Zeng; Yan Zhou; Jiahao Yu; Yue Luo; Tengda Qiu; Jiechang Qian (计算机科学, 2019)