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 software 开源软件
- heliocentric orbit
- heliocentric parallax
- heliocentric phenomena
- heliocentric position
- heliocentric radial velocity
- heliocentric system
- heliocentric theory
- heliocentric velocity
- heliochromy
- Heliodoros
- heliogeophysics
- heliogram
- heliogramma
- heliograph
- heliographic chart
- heliographic coordinate
- heliographic coordinates
- heliographic coordinate system
- heliographic distribution
- heliographic distribution of sunspots
- heliographic latitude
- heliographic longitude
- heliographic pole
- heliography
- heliogravure