工学 产品设计理论与方法研究的历史 释 computer aided design; CAD 计算机辅助机械设计 设计者以计算机作为工具，以工程应用软件作为支撑平台，运用自身的知识和经验，对产品或工程进行方案构思、总体设计、工程分析、图形编辑和技术文档整理等设计活动的总称。
计算机应用 计算机辅助设计与图形学 释文 computer-aided mechanical design 计算机辅助机械设计
- Luoyang Bridge
- Luoyang City
- Luoyang City of Cao Wei and Jin Period
- Luoyang City of Eastern Han Dynasty
- Luoyang City Site of Sui and Tang Dynasty
- Luoyang County
- Luoyang Duck of Zhou Temple
- Luoyang Engineering＆Research Institute For Nonferrous Metals Processing
- Luoyang human settlement planning and construction in Northern Wei Dynasty
- Luoyang Longmen Museum
- Luoyang Longmen Scenic and Historic Area
- Luoyang Museum
- Luoyang Opera School
- Luoyang Palace of Cao Wei Period
- Luoyang Qiao
- Luoyang Sui and Tang Dynasties Relics Botanic Garden
- Luoyang Yongning Temple
- Luo Yanqing
- Luo Ye
- Luo Yi
- Luoyi
- Luo Yili
- Luo Yin
- Luo Ying
- Luo Yinggong