理学 协同社交系统 释 open source 开源软件 在软件发行时附上允许用户更改、自由散布或衍生著作的源代码，即授权可以公开使用源代码的软件。
软件工程 释文 open source 开放源码
- pump volute
- pump vortex band
- Pum Qu
- Punakha
- punaluan family
- Punch
- punch
- punch and plug three dimensional flash memory
- punch-card machine
- Punchdrunk
- punched card
- puncher
- punching
- punching hand safety tools
- punching moulding machine
- punch-through effect
- punch through insulated gate bipolar transistor
- punctate anthoceros
- punctiform
- punctiform remainder
- punctiform topological space
- punctuality
- Punctual purchase
- punctuated equilibrium
- Punctuated-Equilibrium Model