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
- publication logistics center
- publication of Buddhist and Daoist scriptures by Buddhist and Daoist temples
- publication printing
- publication quality management
- publication rental
- publications distribution system
- publications distribution system of China
- publication series
- Publication series of new found languages in China
- publications issue
- publications market
- Publications of the American Astronomical Society
- Publications of The Astronomical Society of Australia
- Publications of The Astronomical Society of Japan
- Publications of the Astronomical Society of Japan
- Publications of the Astronomical Society of the Pacific
- Publication suspension of the News of the World
- publication unit approval
- public awareness of biosafety
- public basic courses of vocational and technical education
- public-benefit employment for the disabled
- public bicycle system
- public bicycle system facilities
- public bike rental
- public bikes