“第一产业”的概念、定义、翻译、参考文献-科学参考

单词	第一产业
释义	第一产业 Encyclopedia 经济学产业结构释 primary industry第一产业以利用自然力为主，生产不必经过深度加工就可消费的产品或工业原料的部门。是按“三次产业分类法”划分的国民经济中的一个产业部门。又称第一次产业。
随便看	photographic meridian circle photographic meteor photographic noise photographic objective photographic observation Photographic Perport of China Hope Project I Desire to Go to School photographic photometer photographic photometry photographic plate photographic postcards of current events photographic processing photographic radiant Photographic Realism photographic refractor photographic resolution photographic scale photographic self-portrait photographic skills Photographic Society Of Macao photographic solar magnetograph photographic spectrophotometer photographic spectrophotometry photographic spectroscopy photographic speed photographic stabilized platform

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。