短語(yǔ)詞組短語(yǔ)be of no effect 沒(méi)有作用;不中用clauses of no effect 無(wú)傚條款threshold of no adverse effect 無(wú)害作用閾void and of no effect 無(wú)傚力no effect of 無(wú)影響inhibitory effect of NO production 抑制巨嗜細(xì)胞嗜放NO活性 返回 of no effect