Take the experimental rats into 8 groups including 3 groups for therapeutic dose,3 groups for toxic dose and 2 groups for lethiferous dose, with 10 rats for each group and male and female for half.
将实验小鼠（幼年）分成8
，其中治疗剂
3，中毒剂3，致死剂2，
10只，雌雄各
。
Take the experimental rats into 8 groups including 3 groups for therapeutic dose,3 groups for toxic dose and 2 groups for lethiferous dose, with 10 rats for each group and male and female for half.
将实验小鼠（幼年）分成8，其中治疗剂3，中毒剂3，致死剂2，10只，雌雄各。
声明：以上例
、词
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