理学 设计模式 释 observer pattern 观察者模式 一种设计模式。定义一个对象与其他对象之间的一对多的依赖关系，当一个对象改变状态时，所有与它有依赖关系的对象都被通知并自动更新。又称依赖（dependents）模式、发布-订阅（publish-subscribe）模式。
软件工程 释文 observer pattern 观察者模式
- mineral physics
- mineral pigment
- mineral precipitation
- mineral processing
- mineral processing auxiliary equipment
- mineral processing coagulant
- mineral processing defoamer
- mineral processing equipment
- mineral processing filtration aid
- mineral processing flocculant
- mineral processing flowsheet design
- mineral processing grain size
- mineral processing grinding aid
- mineral processing of gold and silver
- mineral processing plant
- mineral processing plant flowsheet
- mineral processing plant production process
- mineral processing plant scale
- mineral processing plant workshops
- mineral processing product scheme
- mineral processing product yield
- mineral processing reagent
- mineral processing wastewater
- mineral products
- mineral products futures