他们正在猎雄兔。

They are hunting for bucks.

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方法：选用新西兰长耳雄兔，制作右股骨中段骨折模型。

Methods: Newzland long - ear rabbits were selected to make the right mid - femur fracture.

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目的：评价十一酸睾酮（TU）对心力衰竭雄兔心功能的影响。

Objective: To study the effect of testosterone undecanoic acid replacement therapy(TU) on heart function in male rabbits with congestive heart failure(CHF).

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