“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	polynomial factoring over number fields polynomial factorization polynomial factor theorem polynomial form polynomial function polynomial functional polynomial game polynomial geometric programming polynomial growth polynomial height polynomial hierarchy polynomial homomorphism polynomial ideal polynomial identity polynomial identity relation polynomial identity testing polynomial inflation polynomial in one indeterminate polynomial in one variable polynomial in one variable; univariate polynomial polynomial in several indeterminates polynomial in several variables polynomial interpolation polynomial invariant polynomial kernel

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。