The most efficient intake systems utilise an air box which is sized to complement the engine and will extend the powerband of the engine.
利用进气系统最有效的盒子，里面有一个空气大小的引擎和补充电力乐队将延长引擎。
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In this paper, the PowerBand Graph (PBG) modeling method is used to realize modeling of the human circulation system and conduct a simulation study on a simplified physiological system model.