稀化 meaning in English

desaturation
rarefaction

The interactions concentrate on two regions : the compressed region in the front and the rarefied region in the wake
这种相互作用，集中在两个区域内：即前部压缩区和尾部稀化区。
The therapeutic effect of a therapy combined nasosinusitis relieving oral liquid with gelomyrtol forte on chronic sinusitis among children
鼻渊舒加强力稀化粘素治疗儿童慢性鼻窦炎