基本引理 meaning in English
fundamental lemma
Examples
- The theory on well - posedness and regularity of solutions to such class of degenerate problems , plays a crucial role in the above fields . anyway , such equations are deserved to be investigated vastly
进而通过解常微分方程，可以得到弱解关于退化方向的一阶导数的一种积分表达式，从而在两种不同情形下建立了两个基本引理。