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
- primary solution
- primary somatomotor area
- primary somatosensory area
- primary somatosensory cortex
- primary source
- primary spectrum
- primary spectrum, first-order spectrum
- primary spermatocyte
- primary stage of socialism
- primary standard
- primary standard dosimeter
- primary standard for airborne sound pressure
- primary standard for OCTG threads
- primary standard for sound pressure in water
- primary standard for ultrasound power
- primary standard light source
- primary standard machine of shore hardness
- primary standard machine of vickers hardness
- primary standard material
- primary standard of absorbed dose to water
- primary standard of air kerma
- primary standard of angle metrology
- primary standard of diffuse transmitted visual
- primary standard of exposure
- primary standard of flatness