There are obvious differences between clones with regard to their self - fertility.自交能孕性在不同的无性系中是明显不同的.an obvious case of favouritism一件显然偏袒一方的事例It is obvious that these are not althea research directions in administrativ...
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...