“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	Xia Yan Xiayan Cup Screenwriter Award Xia Yan's Film Road Xia Ye Xiayi Xian Xia Yu Xia Yuanding Xia Yuanji Xia Yuanli Xia Yunhu xiayuxue decoction Xia Zengyou Xiazhai Xia Zhengnong Xia Zhengyin Xia Zhenyi Xia Zhiqiu Xia Zhongjing Collection Xiazhou Xia’ao 1 blue tilapia Xibaipo Xibaipo Memorial Hall Xibaipo-Mount Tiangui Scenic and Historic Area Xibaxia Qu Xibe costume

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