定义: definition; delimiting函数: function预定义函数: predefined functionlambda可定义函数: lambda calculus系统定义函数: system-defined function用户定义函数: user define function udf; user-defined function定义函数的函数: function-defining function处理机定义函数: proce or defined function; processor defined function定义函数复合体: definition function complex附加预定义函数: additional predefined function用户自定义函数: user-defined function用户定义功能,用户定义函数: user define function, udf用户定义的功能,用户定义函数(子程序): udf user defined function程序、用户自定义函数与参数传递: procedure& procedure file自定义函数相关的性能主题: performance issues with udfs常义函数: proper function广义函数: distribution; generalized functions广义函数论: distribution theory偶广义函数: even generalized function正广义函数: positive distribution递减广义函数: decreasing distribution广义函数空间: distribution space广义函数序列: sequence of distribution缓增广义函数: tame distribution; tempered distribution算子广义函数: operator-valued distribution