NASA Technical Reports Server

NASA Technical Reports Server (NTRS)是美国国家航空航天局(NASA)的科学和技术信息(STI)知识库，提供NASA元数据记录、全文在线文档、图像和视频。该数据库包含会议论文、期刊文章、会议论文、专利、研究报告、图像、电影和技术视频等由NASA创建或资助的科学和技术信息。NASA Technical Reports Server (NTRS) is the scientific and technical information (STI) knowledge base of the National Aeronautics and Space Administration (NASA), which provides NASA metadata records, full-text online documents, images and videos. This database contains scientific and technical information created or funded by NASA, including conference papers, journal articles, conference papers, patents, research reports, images, films and technical videos, etc.