2024-09-12SciTech-Mathmatics-Analysis-Calculus: Difference+Derivative+Integral+Limit:极限(变化测度与量化,高阶)+Series无穷级数SciTech-Mathmatics-AnalysisCalculus:微积分Difference微分Derivative导数Integral积分Limit:极限(变化的测度与量化,高阶)Series数列/无穷级数Field:数域(Closure),RationalNumber,稠密性:任何两个不同RationalNumbers之间,有无穷无尽的RationalNumbe