One possibility is that the two magmas form at different locations and mix somewhere within Etna's plumbing system. 一种可能性是这两种岩浆在不同位置形成，然后在埃特纳结构系统里的某处混合。
The oil field waterflooding system is a dissipative system and follows the law of dissipative structure. 摘要油田注水开发系统为一耗散结构系统，遵从耗散结构的规律。
