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Fundamentally , it consists in the view that mental phenomena are causally inefficacious .

根本地说它坚持精神现象在因果上是无效用的。

Clinical study on treatment of chronic hepatitis b with combination of thymosin and hepatitis b vaccine , which using interferon inefficacious .

胸腺肽联合乙肝疫苗治疗干扰素无应答的慢性乙型肝炎疗效观察。

When other modalities become inefficacious , argon-helium knife still can get very good results .

其它方法都无效的情况下，氩氦刀依然取得非常好的效果。