Methods: The technique of serum free cultivation and the methods of immunofluorescence cytochemistry were used.方法利用无血清培养技术和细胞免疫化学方法.Methods Single and double staining immunofluorescence techniques were used.方法采用免疫荧光单标记法和...
一天，一艘更大的船泊在了近岸处。One day a larger ship anchored offshore.近岸回流的冲力能把游泳的人涌到海里.The pull of the undertow can drag swimmers out to sea.近岸停泊的那艘船将于明日起航.The ship riding close to shore will set sail tomorrow....
这座天主教堂的拱顶非常高.The vault of this cathedral is very high.那座教堂的屋顶是拱顶.The church has a vault.拱顶处剪力的影响线可按类似方式得到.The influence line for shear at the crown can be obtained in a similar manner....