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median effect concentration

网络半效应浓度；半致死效应浓度

median effect concentration

median effect concentration

median effect concentration

半效应浓度

半效应浓度（median effect concentration）PS：并不仅仅指“致死”，尽管表述在“致死效应“用得最多。

半致死效应浓度

2.半致死效应浓度（median effect concentration）究竟哪个准确啊？？？？

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