self-accelerating       
adjective (also selfaccelerating) uk/ˌself.əkˈsel.ə.reɪ.tɪŋ/ us/ˌself.əkˈsel.ɚ.eɪ.t̬ɪŋ/
 自我加速的
A self-accelerating action, process, or system gets faster by itself. 
  The virus undermines the immune response, favouring viral spread in a self-accelerating manner.
 New processes cut in and multiply an earlier trend, at which point climate change becomes self-accelerating. 新的过程介入并增强了早期的趋势,此时气候变化便会变成自我加速式的。 
  - More examples
 - Not only was there unrealized potential in the population, but it would become self-accelerating.
 - A violent self-accelerating process takes place, with the magma rapidly blowing itself up into a froth of gas and liquid rock and blasting itself out of the vent.