The lower semi-continuity of a class of functions in nonsmooth critical point theory;
非光滑临界点理论中一类函数的下半连续性
Research on a kind of distribution function for the piston ring radial pressure;
一种活塞环径向压力分布函数的研究
Reconsideration of seeking for variable range by inverse function;
关于“反函数法”求值域的再思考
Personal income tax and the compensatory pay account are changed to be more correct and high_effective ducing to the autocompute and copy function accompanied vith IF function in Excel.