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单词 reˌsearch and deˈvelopment
释义
reˌsearch and deˈvelopment
NOUN  U  BUSINESS  
the work that companies do when they are developing new products, services, or methods. Research and development is often simply called R and D . (公司为新产品等所做的)研究和开发
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更新时间:2024/12/22 1:20:37