“clonal selection and breeding”的概念、定义、翻译、参考文献-科学参考

单词	clonal selection and breeding
释义	clonal selection and breeding Encyclopedia 农学授粉释 clonal selection and breeding无性系选育对于易无性繁殖的树种，选出不同家系、种源或杂交子代中的优良单株，通过无性繁殖形成无性系，然后按照一定的育种目标进行田间试验，对各个无性系进行比较鉴定，评选出最优无性系，最后推广应用于生产的育种过程。
随便看	circumoval precipitin test Circum-Pacific tectonic domain circum-pacific volcanic chain circumpharyngeal nerve circumplanetary circumplanetary flight circumplanetary matter circumplanetary orbit circumplanetary satellite circumplanetary space circumplanetary trajectory circumpolar circumpolar constellation circumpolar region Circumpolar star circumpolar star circumpolar zone circumradius circumrotate circumrotation circumrotatory circumscribed circumscribed circle circumscribed cone circumscribed figure

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。