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
- rock and soil water dynamics
- Rock and Stone Inscriptions of Ancient Indonesia
- rock art
- rock avalanche disaster, RAD
- rock bearing plate experiment
- rock bit drilling
- rock blasting damage fragments theory
- rock blasting dynamic characteristics
- rock blasting in tunnel
- rock block
- rock-bolt support
- rock bream
- rock brittleness
- Rockbund Art Museum
- rock burst
- rockburst
- rockburst control
- rockburst forecasting
- rock carp
- Rock Climbing
- rock climbing
- rock compression coefficient
- rock compressive strength
- rock computed tomography experiment
- rock constitutive equation