reversed cycle meaning in Chinese

逆循环

Investigation and simulation of air - source heat pump during reverse cycle defrost
风冷热泵除霜过程动态特性模拟和实验研究
For example , heating of the air could be a duct mounted hot water coil , duct mounted electric elements , duct mounted gas fired burner , reverse cycle air conditioning unit , room mounted panel radiator etc
例如，空气加热的方式有：通过热水盘管风管送风，电加热风管送风，燃油锅炉取暖风管送风，制冷逆循环机组制热，地板辐射采暖，等等。
On the basis of simulation and experiment , the dynamic characteristic of frosting and defrosting of ashp is studied . a set of simple equations is put forward to model the reverse cycle procedure of defrost and is put into the practice to simulate the dynamic characteristics of frosting and defrosting of ashp
在仿真模型研究中，提出了一个简单的可以用来模拟四通阀换向后系统高低压平衡和系统循环重新建立的过程，并将这一模型应用到机组动态特性研究。