Natural crossing and boll setting of a nucleo-cytoplasmic sterile line of cotton Jin-A were studied.
研究了晋A棉花质核不育系的天然异交与成铃。
A biotin-labelled DNA specific for hepatitis B virus (HBV) nucleo-tide sequences was hybridized in situ to liver tissue of 129 cases with liver diseases.
应用生物素标记HBVDNA（乙肝病毒脱氧核糖核酸）作探针，对129例肝病患者肝组织作原位杂交研究。
A biotin-labelled DNA specific for hepatitis B virus (HBV) nucleo-tide sequences was hybridized in situ to liver tissue of 129 cases with liver diseases.
应用生物素标记HBVDNA（乙肝病毒脱氧核糖核酸）作探针，对129例肝病患者肝组织作原位杂交研究。
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