1) research and developmet investment
研究和开发投资
2) research and development investment
研究和发展投资
3) research and development
研究和开发
1.
To improve the indoor air quality and ensure occupant ,s health, the technology?application and prospects of air cleaners were studied theoretically and practically and basis for research and development of air cleaners was provided.
从理论和实践两方面探讨空气清净机的技术、应用与前景 ,可作为我国空气清净机研究和开发的参考依据。
4) R&D
[英][ɑ:(r)] [美][ɑr]
研究和开发
1.
The R&D-based development of new and high technology entails legislation that promotes such development.
企业需要成为研究和开发(R&D)的主体,对中小企业的科技创新投入,需要作出立法激励。
补充资料：研究
①钻研；探求事物的性质、规律等：凡事须得研究，才会明白｜研究人类学。②考虑；商讨：这个方案领导正在研究｜请大家来研究问题。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条