“By the Yan River”的概念、定义、翻译、参考文献-科学参考

单词	By the Yan River
释义	By the Yan River Encyclopedia 艺术学中国油画释 By the Yan River《延河边上》中国现代油画作品。
随便看	orbit recursion orbit representative orbit resonance orbitron orbit-rotation resonance orbit space orbit stability orbit-stable limit cycle orbit-superposition method orbit theory orbit, trajectory orbit transfer orbit type orcein orcelite orchard establishment orchardgrass rust orchard microclimate orchard of fruit germplasm resources orchard planning orchard-planting problem orchard problem orchard vegetation orchard visibility problem orchard with sod cultivation

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。