“four agricultural subsidies”的概念、定义、翻译、参考文献-科学参考

单词	four agricultural subsidies
释义	four agricultural subsidies Encyclopedia 经济学农业四项补贴释 four agricultural subsidies农业四项补贴中国政府2004年前后开始实行的种粮农民直接补贴、农作物良种补贴、农机具购置补贴和农资综合补贴。
随便看	optical multiplexing optical multistability optical navigation sensor optical network parameter analyzer optical network unit，ONU optical non-destructive testing optical nonlinearities of condensed matter optical nonlinearities of organic material optical nutation optical object optical observation optical observation of satellite optical observation of space objects optical observatory optical orthogonal code optical orthogonal frequency division multiplexing transmission system optical outburst optical packet switching，OPS optical pair optical parallelism optical parameter optical parametric amplification optical parametric amplification and oscillation optical parametric amplifier optical parametric oscillation

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。