“knotgrass”的概念、定义、翻译、参考文献-科学参考

单词	knotgrass
释义	knotgrass Encyclopedia 农学草坪草释 knotgrass两耳草禾本科雀稗属多年生暖季型草坪草。别称水竹节草、叉仔草、毛颖雀稗。理学被子植物释 knotgrass萹蓄被子植物真双子叶植物石竹目蓼科萹蓄属的一种。
随便看	normal storage level normal strain normal stress normal structure normal student normal subgroup normal subgroup series normal subgroup system normal subloop normal subobject normal subquasigroup normal subsemigroup normal subspace normal sum distribution normal summability normal surface normal system normal system of partial differential equations normal tail normal temperature and pressure normal tensor normal theta-function normal time normal to a curve normal to a plane

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。