The microspore culture technology has been widely applied in Brassica species nowadays.随着芸苔属作物小孢子培养技术的日趋成熟,应用范围也越来越广泛.Meiosis of microspore mother cells is synchronous or unsynchronous.小孢子母细胞减数分裂同步或不同步.Complete disintegr...
Cytokinesis is of the simultaneous type and microspore tetrads are mainly tetrahedral.小孢子母细胞减数分裂为同时型.Complete disintegration of cytoplasm of crescent or irregular shape of microspore .25.月牙形和不规则形小孢子细胞质完全解体.Meiosis of mic...
工厂经理用一幅作业图来说明生产过程.The factory manager used a flowchart to explain the production process.以轴类零件图为例,详细分析了作业图批改的若干关键技术,并给出了相应的算法和程序流程图.The application of all solutions and algorithms were illustrated with a typical shaft - ...
The technique has been to mutate the genes by irradiation or chemicals.该技术是通过放射线照射或者使用化学方法使基因变异。The after effect occurs only if the additive is present during irradiation.在辐照过程中只有当添加剂存在时才出现后效应.Early lesions can be succes...