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
- packaging density
- Packaging Design
- packaging, handling, storage, and transportation of aircraft equipment
- packaging lighting
- packaging machinery
- packaging material of irradiated food
- packaging materials
- packaging materials for pharmaceutical preparations
- packaging process for low thermal resistance
- packaging regulation
- packaging-shaping defect
- packaging standardization
- packaging technique
- packaging technology of light emitting diode
- Packaging Textiles
- packaging waste directive
- pack cementation
- packed-bed bioreactor
- packed bed electrode
- packed bed reactor
- packed bed thermal energy storage
- packed capillary
- packed capillary electrochromatography
- packed column
- packed dryer