“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	Out of Phoenix Bridge out-of-pocket out-of-pocket health payment out of position and in-situ gear measurement out of print out of print book out of sample forecast out-of-sequence thrust out of stock out of straightness out of tropics hypothesis out of vocabulary word out order stream Outotec direct to blister copper process Outotec flash smelting process outpatient assistance outpatient risk pooling out-place write outplanar graph outpolar outpolar conics outpolar quadrics Outpost Journal output output alphabet

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。