They both are male and dead-weight huge, lying top and tail, comfortable, sleepy.
它们都是雄性，体型庞大，舒服地躺在冰面上打瞌睡。
The mean body weight, average body length, tail length significantly decreased.
实验组胎鼠的身长、尾长和体重等发育指标均有显著的降低。
Rocker-style tail plate: simple structure, light weight, load small, easy to install.
摇臂式尾板：结构简单，自重较轻，载重量较小，安装简便。
The body weight and tail length were measured regularly.
定期测量体重和尾长。
The body weight and tail length were measured regularly.
定期测量体重和尾长。
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