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1·Of course, it would help if more were known about what creates hybrid vigour in the first place.

当然，这将有助于是否更多的人认识到什么是杂交优势的第一位。

2·The possibility and practical value of the forecast of parents selection and hybrid vigour of sunflower were discussed.

探讨了遗传距离对向日葵亲本选配和杂种优势预测的可能性及实用价值。

3·They make an ideal crossing breed. Put to a white breed, the offspring will be white with the advantage of hybrid vigour.

格洛斯特郡斑点猪是理想的杂交猪种。它与白种猪杂交，其后代将会是白色的，杂交优势明显。

4·Hybrid vigour is common in plants and is found in some animals-though, some speculate, it may be lacking in European royalty.

杂交优势通常在植物中非常普遍在一些动物中也有体现——不过有人猜测，在欧洲皇室中缺乏这种效应。