讨论了纯系的纯合性 、 遗传稳定性以及配合力等方面的特征.Purity, genetic stability and combining ability of pure lines were discussed.结论 Zmu 1:DHP 品系的基因纯合性及个体一致性较DHP品系高.Conclusion The genetic homogeneity and the individual identity of Zmu - 1 : DH...
The cut of a diamond depends on the skill of its craftsman.钻石切割靠的是工匠的技艺。The crucial skill you need to develop is sorting out the parents.你需要培养的关键技能就是让那些家长认错。It takes great skill, cool nerves and the reflexes of an athlet...
长凳的靠背可以向前翻折成一张桌子。The back of the bench folds forward to make a table.有拱形靠背的椅子a chair with an arched back椅子的靠背上搭着一件叠得整整齐齐的粉色毛衫。There was a neatly folded pink sweater on the back of the chair....