相对平均值计算公式简介：Xu Yuanren did not have many soldiers and horses, only 4,000 men. However, with the fierce attack and defense of both sides, and they were already trying their best, these 4,000 men may have the effect of calming the sea.
Xu Yuanren did not have many soldiers and horses, only 4,000 men. However, with the fierce attack and defense of both sides, and they were already trying their best, these 4,000 men may have the effect of calming the sea.
