理学 设计模式 释 singleton pattern 单件模式 一种保证一个类只有一个实例，并提供一个全局性的访问点的设计模式。。又称单态模式、单例模式。
软件工程 释文 singleton pattern 单件模式
- Oratory
- Orazio Vecchi
- ORB
- orb
- orbicularis
- orbicule
- orbifold
- orbifold compactification
- orbifold notation
- orbifold theorem
- orbiform curve
- Orbis Sensualium Pictus
- orbit
- orbital
- orbital acceleration
- orbital angular momentum
- orbital angular momentum of light
- orbital angular momentum operator
- orbital angular velocity
- orbital anisotropy
- orbital biology module experiment in planetary exploration
- orbital chaos
- orbital circularization
- orbital correction
- orbital correlation diagram