“history of barnyard grass cultivation”的概念、定义、翻译、参考文献-科学参考

单词	history of barnyard grass cultivation
释义	history of barnyard grass cultivation Encyclopedia 农学稗栽培史释 history of barnyard grass cultivation稗栽培史稗（Echinochba crusgalli）为中国古代重要的救荒作物，栽培历史已有2000年以上。
随便看	integral-differential equation integral-differential operator integral direct sum integral divisor integral domain integral drawing integral element integral element over R integral equation integral equation method integral equation Neumann series integral equation of convolution type integral equation of Fredholm type integral equation of Volterra type integral equation theory integral erection method integral exponent integral exponential function integral expression integral extension integral extension of a ring integral factor integral fast reactor integral field spectrograph integral field unit

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。