delta function是什么意思

用法例句

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.

Excel是一种很常见而且功能又很强大的计算机办公软件,利用它的自动计算和复制功能配合IF函数的使用,使计算个人所得税及个人所得税补缴部分变得既准确又高效。

Functions developed formula of fourier series;

函数的Fourier级数展开

Discussion about teaching the concept of functions limit;

对函数极限概念教学的探讨

Usage Skills of Several ADAMS Functions;

ADAMS函数的使用技巧