This is typical of any creative process no matter if it is writing a specification, or writing open source code.
这是典型的创造过程，不管是编写规范好还是编写开源代码都一样。
Hydropower energy system is a typical open system. There are frequent matter and energy exchange with the environment.
水电能源系统是一个典型的开放系统，与外界环境存在着频繁的物质和能量交换。
There exist a number of typical systems and models which possess the three generator Lie algebraic structure in quantum optics, atomic and molecular physics and condensed matter physics.
在量子光学、凝聚态物理、原子分子物理中存在许多典型的具有三生成元李代数结构的量子系统或模型。
应用推荐