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
- electric unit combination instrument
- electric upsetting
- electric-vacuum glass
- electric vector
- electric vector potential
- electric vehicle
- electric vehicle charger
- electricvehicle drive motor
- electric vehicle grid interconnection technology
- electric vehicle power battery
- electric ventilation psychrometer
- electric wave current-meter
- electric wave current-meter discharge measurement
- electric welding
- electric welding working
- electric wheel mining dump truck
- electric wind
- electric wire
- electric wrench
- electride
- electrifiable
- electrification
- electrification by friction
- electrification detecting for electrical equipment
- electrification in thunderclouds