singleton design mode description/单例设计模式说明
singleton design mode description/单例设计模式说明

pf had used singleton design mode and this is  just the relative
document
for introducing this mode, and it haven't been translated into English
yet/本框架已经使用了单例设计模式，这只是相关的介绍这个模式的文档，这还没有被翻译成英语

HollenMok/pandoraf_v1.0,HollenMok/pandoraf_v1.0,HollenMok/pandoraf_v1.0