双镜头低倾摄影是新近研制出来的系统。
A more recently developed system is the twin low oblique photography.
双催化剂和先进的发动机控制系统导致非常低的污染排放。
The double catalysts and advanced engine control system lead to very low emissions.
双催化剂和先进的发动机控制系统导致非常低的污染排放。
The double catalysts and advanced engine control system lead to very low emissions.
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