Ⅳ龄组的东北兔晶体质量与体重、体长之间的相关不显著，可以认为它们不是同步增长的。
In group ⅳ, the correlation between lens weight and body weight of Northeast Hare were not significant , this suggested that these indexes increased non-synchronously .
我国野兔一新种&东北黑兔
On a new species of wild hare from China the rainbow rabbit
东北兔