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.The microspore culture technology has been widely applied in Brassica species nowadays.小孢子母细胞减数分裂同步或不同步.Meiosis of microspore mother cells is synchronous or unsynchronous.月牙形和不规则形小孢子细胞质完全解体...
The stitching had begun to fray at the edges.边沿上的针脚已经开始磨损了。A star was done in red stitching.用红线缝上了一枚星章。The nurse cleansed the wound before stitching it.护士先把伤口弄干净后才把它缝合....