“breeding by backcrossing”的概念、定义、翻译、参考文献-科学参考

单词	breeding by backcrossing
释义	breeding by backcrossing Encyclopedia 农学回交育种释 breeding by backcrossing回交育种两个品种杂交后，杂交一代(F1代)植株作母本再和双亲之一重复杂交（回交），从回交后代中选择单株作母本再与该亲本回交，如此进行若干次直至获得目标单株，经株系鉴定和比较试验后育成新品种的方法。
随便看	indexing with subject headings indexization index law indexless index line index lowering index mapping index matching Index Medicus index mirror index notation index number index of a class index of a context-free grammar index of a correspondence index of a critical point index of a curve index of a divisor index of a family index of a fixed point index of a Fredholm operator index of a function index of a geodesic index of a manifold index of a mapping

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。