After cytarabine method, a large number of cells died and no positive reaction cells were found by immunostaining. 阿糖胞苷法阿糖胞苷作用后細胞大量死亡，免疫染色幾乎未見陽性反應細胞存在。
Scientists say that mass bee deaths may be caused by viruses that disrupt gene expression. 科學家稱造成蜜蜂大量死亡的原因可能是病毒造成的基因表達分裂。
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