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
- history of sweet potato cultivation
- history of synthetic ammonia industry
- history of synthetic rubber industry
- history of Tajikistan
- History of Tang and Song Painting
- history of tea cultivation and processing
- History of Technology
- History of Teochew Opera
- history of textile design
- history of the chlor-alkali industry
- history of the computer
- history of the four major Chinese carps culture in China
- History of the Korean Nationality
- history of the land system of the People's Republic of China
- History of the Operas of Chinese Ethnic Minorities
- History of the Peloponnesian War
- history of the present
- history of the sea crab fishing
- History of the Study of Chinese Lexicology
- History of the Theories of Traditional Chinese Painting
- History of the Three Kingdoms
- History of the Traditional Chinese Garden
- history of the United Arab Emirates
- history of The United States Minor Outlying Islands
- History of the World Conqueror