【研究与试验发展（R&D）】指在科学技术领域，为增加知识总量、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、试验发展三类活动。

【Research and Experimental Development(R&D)】In the field of science and technology, comprise creative work undertaken on a systematic basis in order to increase the stock of knowledge and the use of this stock of knowledge to devise new applications. The term R&D covers three activities: basic research, applied research and experimental development.