英语词汇research and development patents怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	research and development patents
释义	research and development — 研发
随便看	budget budget 2013 budget 2020 communication budget accommodation budget accountability budget accounting budget actual performance budget address budget agreed budget airline budget airline flight budget alignment budget allocated budget allocated for budget allocation budget allocation for budget allocation process budget allowance budget along budget amount budget and agenda budget and balance sheet budget and business plan budget and contingency budget and cost

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

research and development —