克拉夫感到他和他的仰慕者们过于疏远了。Clough felt he'd become too distanced from his fans.他低下头以掩饰他的仰慕之情。He ducked his head to hide his admiration.她仰慕他已有多年。She had worshipped him for years....
绝大多数非线性微分方程是不能用解析方法求解的.The overwhelming majority of nonlinear differential equations are not soluble analytically.与微分相反的运算叫做积分.The operation that is the inverse of differentiation is called integration.这称为正规微分方程组.This is...