“research and development”的概念、定义、翻译、参考文献-科学参考

单词	research and development
释义	research and development Encyclopedia 理学【研发】释 research and development研究与试验发展简称R&D，在科学技术领域，为增加知识总量（包括人类文化和社会知识的总量），以及运用这些知识去创造新的应用进行的系统的创造性的活动，包括基础研究、应用研究、试验发展。
随便看	triadic expansion triadic fraction triadic mean triadic patent triadimefon Triads triagonal carbon triakisdodecahedron triakisoctahedron triakistetrahedron trial trial and error trial-and-error method trial-and-error procedure trial and information management room trial at imperial court trial by mass media trial by media trial-centeredness trial class system trial curve trial division trial divisor Trialeurodes vaporariorum trial function

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。