实: solid变数: variable函数: function复变数函数: complex function双变数函数: two-variable function变数函数符号: function symbol of n arguments实变数: actual argument; real variable实变函数: functions of real variable; real variable function实变函数论: theory of functions of a real variable实变量函数: real variable function常数函数: constant function除数函数: divisor function大数函数: mass function代数函数: algebraische funktion algebraic function代数函数论: algebraic function theory代数函数域: algebraic function field; field of algebraic functions倒数函数: reciprocal function对数函数: log function; logarithmic function多数函数: majority function分数函数: fractional function复指数函数: complex-exponential function负指数函数: negative exponential function计数函数: counting function假分数函数: improper fractional function可计数函数: countable function
