designating or involving an equation whose terms are not of the first degree
nonlinear详细解释
non.lin.e.ar
adj.(形容词) Not in a straight line. 不在直线上的 Mathematics 【数学】 Occurring as a result of a nonadditive operation. 非线性的:作为非可加运算的结果而产生的 Containing a variable with an exponent other than one. Used of an equation. 非一次的:包含有一个非一次幂的变量的,用于方程式的