求翻译：冷却系统按照冷却介质不同可以分为风冷和水冷，如果把发动机中高温零件的热量直接散入大气而进行冷却的装置称为风冷系统。是什么意思？

Cooling system by cooling medium can be divided into air cooling and water cooling, if heat engine high temperature parts in bulk directly into the atmosphere and cooling device called air cooling system.