development rock开拓矿石developmentn.发展；开发；生长；进展；[摄]显影；新开发区Development of Image Retrieval Techniques图像检索技术研究进展Development status of intelligent tooling智能型刀具的发展现状Development the Polyurethane Wearing Ring聚氨酯密封环的研制Development of the Tube-Cutting Machine切管机的研制development- oriented poverty reduction开发式扶贫development of agricultural mechanization农机化发展Development of Run-flat Tire Technology零压续跑轮胎技术现状与发展Development environment for the Medwin.开发环境为Medwin。Development of Hydraulic Impact Mechanismdevelopment -oriented poverty reduction扶贫开发