一只灰鹤飞到树上。
结果表明，灰鹤心脏左冠状动脉分为前降支和旋支。
The left coronary artery of the G. grus is divided into anterior descending branch and circumflex branch.
在进行种群数量调查的同时，还对越冬灰鹤种群的年龄结构进行了探讨。
At the same time of population census, the age structure of wintering common cranes had also been examined.
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