基本解释n.一化性；一抱性同根派生 英汉例句The results of RAPD (random amplified polymorphic DNA) ana lysis showed that genetic variation was obvious between the univoltin e ecotype and the bivoltine ecotype. 采用RAPD方法对发生在吉林省的亚洲玉米螟一、二化性类型作了分析。