Whether the material is rigid , soft , thick , thin or retractile 1材料的硬软厚薄伸缩度。
3.
The lens is made of cell - shaped plastic which has the beautiful retractile effect 采用蜂窝状塑胶做透镜，其表面花纹达到优美的折射效果。
4.
Over the induction process cell body became increasing spherical and retractile , exhibiting a typical neuronal perikaryal appearance . western blot a - nalysis indicated that cells exhibited increased expression of the neuronal marker nse after 5h of bfgf , atra treatment 免疫细胞化学显示在加人bme5小时后部分细胞胞体收缩变圆，胞质呈nse染色强阳性，细胞呈有较长突起的双极，多极型。
