“grass variety”的概念、定义、翻译、参考文献-科学参考

单词	grass variety
释义	grass variety Encyclopedia 农学草品种释 grass variety草品种人类在一定的生态条件和经济条件下，根据自身需求，经选择和培育而创造的草类群体。
随便看	set bounded to the left set bounded to the right set class set closure set-connected set constraint set contraction set contraction mapping set cover set cover algorithm set-covering deployment set-covering problem set decoration for film set dense in itself set difference set direct product Setebos set-element relation set equivalent by dissection set extention set field set fixed elementwise set function set functor set gauge

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。