Direct Reduced Iron直接减少的铁 Direct Rendering Infrastructure基层直接渲染 Demon Research Initiative (Buffy the Vampire Slayer)恶魔的研究(《吸血鬼杀手) Desert Research Institute沙漠研究所 Direct Renin Inhibitor直接肾素抑制剂 Distributed Reconnaissance Infrastructure分布式侦察的基础设施 Dead Reckoning Indicator航迹推算指示器 Denver Research Institute丹佛研究所 Differential Reinforcement of Incompatible Behaviors微分加固互斥行为 Dietary Reference Intakes饮食的参考 Direct Rendering Interface直接渲染的接口 Detailed Report of Investigation详细的调查报告 Diploma in Radionuclide Imaging (College of Radiographers, UK)学院文凭或放射性核素淋巴显像的Radiographers、英国 Development of Regional Impact发展区域的影响 Defense Reform Initiative主动防御改革