POWs的用法

Capillary formation was more intense in the grafted skins in C1 group at 2 POWs, and the epithelia differentiated well into 7 to 10 layers of epithelial cells with compact and orderly arrangement and evenly distributed fibrous tissue at 6 POWs.

术后2周转染组移植皮片内可见较多毛细血管分布；6周时表皮细胞分化达7～10层，纤维排列致密整齐，毛细血管分布均匀。

X-ray examinations of the bones were carried out at 2, 4, 6, 8~ 10 post operation weeks ( POWs). Meanwhile 4-5 rabbits were sacrificed for the harvesting of the radius on both sides for histological examination.

分别于术后2、4、6、8～10、12周摄X线平片，同时分别处死4～5只兔并取两侧桡骨行组织学切片检查。

The wound contraction rate of the grafts in C group of rats was higher than that in C1 and C2 groups at 2, 4 and 6 POWs, while that in C1 was lower than that in C2 group.

术后2、4、6周，对照组大鼠创面收缩率均高于其他两组，转染组创面收缩率低于未转染组（P