理学 设计模式 释 visitor pattern 访问者模式 描述在一个对象结构中对某个对象元素需要执行的操作一种设计模式，使用该模式可以在不改变被操作元素的类的前提下定义作用于这些元素的新操作。
软件工程 释文 visitor pattern 访问者模式
- function system
- functions完全正交函数系
- function table
- function term
- function-theoretic
- function-theoretical
- function-theoretic method
- function-theoretic null-set
- function-theoretic set
- function theory
- function theory of one complex variable
- function theory of several complex variables
- function transfer
- function upgrading of civil engineering
- function value
- function variable
- function with bounded support
- function with compact support
- function with finite support
- function with integer arguments
- function with orthogonal increments
- function with regular growth
- function with scattered zeros
- function word
- function zoning