求翻译：2. 3 流式细胞仪检测细胞周期 S-D大鼠经100 nmol/L的紫杉醇作用48h后，细胞被扣留在G2/M期，G2/M细胞数明显增多，G0/S1期细胞数减少（P是什么意思？

2. S-D flow cytometry cell cycle after 100 nmol/L the effect of paclitaxel in rats after 48h, cells were detained during the G2/M period, G2/M cell number increased sharply, decrease in G0/S1 cells (P<0.05), inhibition of mitosis (table 4).