.经典句式美赛参赛The expression of . can be expanded as: .的表达式可扩展为.A is exponentially smaller than B,so it can be neglected.A对B来说呈指数级减小，所以可以忽略不计。Equation (1) is reduced to:方程（1）化简为：Substitute the values into equation (3), we get .把这些值代入方程3，我们得到.According to our first assumption on Page 1, 根据我们第一页的第一个假设，Thus we arrive at the conclusion：因此我们得到结论：From the model of . ,we find that theoretically, it is almost true that .由.模型，我们从理论上证明了. 是真实可信的。That is the t
