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
- strong partial order
- strong perfect graph theorem
- strong permanent magnets
- strong pinning
- strong preference relation
- strong product
- strong property
- strong pseudoconvex
- strong pseudoprime
- strong pseudoprime test
- strong recursive presentation
- strong red
- strong reflection
- strong reflection principle
- strong regular graph
- strong relation
- strong relative minimum
- strong resolvent convergence
- strong resonance
- strong retract
- strong retraction
- strong rigidity
- strong rigidity theorem
- strong scaling law
- strong semigroup