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...
Cannon rolled past , the drivers flaying the thin mules with lengths of rawhide.后面是辚辚滚动的炮车,赶车的用长长的皮鞭狠狠抽打着羸弱的骡子.She swiped at the flies with a rolled-up newspaper.她用卷起的报纸打苍蝇。Alexander rolled up his trouser legs.亚历山大把裤腿卷起来...
Our car was driving at a breathtaking speed down the expressway.我们的车子沿着高速公路以惊人的速度行驶.The expressway goes [ leads ] straight to Shenyang.这条高速公路 直通 沈阳.A four - lane expressway runs straight to the capital.一条四车道的高速公路直通首都....