| 单词 | R and D |
| 释义 | R and D noun uncountable abbreviation for ■research and development: the part of a business that tries to find ways to improve existing products, and to develop new ones 研究与开发（部） •If we want to get ahead of our competitors, we ought to invest more in R and D.如果我们想领先于竞争对手，就应该在研发上增加投入。 |
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