fredholm alternative meaning in English

弗雷德霍姆择一

First of all , the method of fredholm alternative is used to obtain the approximate solution of the first order for the bifurcating periodic solutions of a nonlinear system with delayed velocity feedback . the bifurcation direction and the stability of the bifurcating periodic solution are also determined
首先，用fredholm择一方法分析了一具有时滞速度反馈的非线性振动系统的hopf分叉，得到了局部分叉周期解的近似表达式，确定了分叉解的分叉方向及稳定性。