Arrange for experiment to animals in each group by orthogonal design.
各组动物根据正交设计安排实验。
Arrange for experiment to animals in each group by design of randomized block experiment.
各组动物根据随机分组实验设计安排实验。
Arrange for experiment to animals in each group by design of randomized block experiment.
各组动物根据随机分组实验设计安排实验。
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