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...
而情况却恰恰相反, 珊瑚礁加速衰退,新生珊瑚的生长速度几乎降为零.Instead, coral degradation accelerated and new coral growth dropped to near zero.酸性海域会阻碍珊瑚的生长繁殖.Those sour seas slow the growth of corals.减少对这些珊瑚的破坏.Reduce the damage to the corals....
不是所有的绝对论都源自宗教.Not all absolutism is derived from religion.然而, 要想为不基于宗教的绝对论道德辩护是一件很困难的事情.Nevertheless, it is pretty hard to defend absolutist morals on grounds other than religious ones.笔者根据相对绝对论和现代科技理论提出了对称的相对性与绝对性原理, 不知...