专家就是厉害,解释得很清楚,谢谢。
回答: 他们这个实验,用的是特定基因型的老鼠,需要按只来购买,单价大概300美元上下?主要是要同一大小和性别的要得多的话比较难搞
由 FrankTruce1
于 2024-05-01 14:23:07
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