“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	Li Fangyuan Life life Life along the Bian River at the Pure Brightness Festival by Zhang Zeduan life analytical instruments Life and Death Life and Fate Life and Protein: Artificial Synthesis of Insulin life assessment of units life assistant robot life assurance life-bearing planet life belt lifeboat davit lifeboat special use chart life-career rainbow life care service for disabled elderly life characteristics life community life community of nature life course life course research life curve life cycle Life Cycle Analysis

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。