“grass variety degradation”的概念、定义、翻译、参考文献-科学参考

单词	grass variety degradation
释义	grass variety degradation Encyclopedia 农学草品种退化释 grass variety degradation草品种退化草品种的优良性状在经过几代以后，表现逐步减弱以至变劣，甚至有时出现某些预料不到的不良性状的现象。
随便看	circle algebra circle at infinity circle bundle circle catacaustic circle caustic circle chord picking circle-circle intersection circle-circle tangents circle composition circle covering circle criterion circle cutting circle cycle circled circled closure circled domain circle diagram circle discriminant circle division circle division by chords circle division by lines circled kernel circled set circle-ellipse intersection circle evolute

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。