“美洲黑杨”的概念、定义、翻译、参考文献-科学参考

单词	美洲黑杨
释义	美洲黑杨 Encyclopedia 农学〔用材树种〕释 eastern cottonwood美洲黑杨双子叶植物纲金虎尾目杨柳科杨属一种植物。又称东方三角叶杨。
随便看	constant matrix constant mineral elements constant motion constant multiplier constant number constant of aberration constant of apsidal motion constant of gravitation constant of integral constant of integration constant of motion constant of nutation constant of precession constant of proportionality constant of refraction constant of structure constant path constant permeability alloy constant polynomial constant-potential accelerator constant potential coulometry constant precession curve constant pressure boundary constant pressure calorimeter constant pressure control method

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。