函数语言的名称源于这样一种概念：程序行为应该像数学函数一样；换句话说，给定一组输入，函数应始终返回相同的输出。
Functional languages get their name from the concept that programs should behave like mathematical functions; in other words, given a set of inputs, a function should always return the same output.
函数性编程范式使用数学函数表达程序。
The functional-programming paradigm uses mathematical functions to express programs.
称作Haskell的函数式编程语言展示了一个用于符号数学的程序，名为DoCon。
The functional programming language known as Haskell features a program for symbolic mathematics known as DoCon.
文中建立了更为合理的数学模型，采用外罚函数法(调用鲍威尔法)求解，编制了FORTRAN语言的计算程序。
A more reasonable mathematic model is established, the SUMT method and Powell's method are used to solve the model, and a corresponding FORTRAN program is composed also.
通过对步进电动机矩频特性及其运动方程序的分析，建立了步进电动机最高运行频率的数学模型，即最高运行频率为最大静转矩和负载转矩的函数。
The mathematical model of stepper motors maximum operating frequency is established based on the analysis of stepper motors torque-frequency characteristic and systemic motion equation.
通过对步进电动机矩频特性及其运动方程序的分析，建立了步进电动机最高运行频率的数学模型，即最高运行频率为最大静转矩和负载转矩的函数。
The mathematical model of stepper motors maximum operating frequency is established based on the analysis of stepper motors torque-frequency characteristic and systemic motion equation.
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