“经济作物”的概念、定义、翻译、参考文献-科学参考

单词	经济作物
释义	经济作物 Encyclopedia 农学经济作物释 economic crops经济作物收获物主要用作加工原料的作物。又称工业原料作物、特用作物、工艺作物等。
随便看	negative result negative root negative rotation negative selection negative semi-definite negative semi-definite form negative semi-definite kernel negative semi definite matrix negative semi-definite matrix negative semi-definite operator negative semi definite quadratic form negative semi-definite quadratic form negative semi-definte quadratic form negative semi-orbit negative semi-trough negative sense single-stranded RNA virus negative sequence negative sequence current carrying capability negative side negative sign negative skewness negative skin friction of piles negative spinor negative stable matrix negative staining

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。