Since the stellar rotation is taken into account, our model islocated very near to the upper boundary of period-color diagram which is obtained from observations of W UMa type systems.

• 由于考虑了恒星自转，我们得到的理论模型在W UMa型相接双星的观测周期-颜色图上的位置非常接近观测得到的上边界。