What is an ideal carburetor? What's the practical significance?

Under the condition of constant speed, the relationship between the mixture composition required by the automobile engine and the throttle opening is called the ideal carburetor! The ideal carburetor is to add a series of devices to automatically adjust the concentration of mixed gas on the basis of a simple carburetor, so as to ensure that the automobile gasoline engine can supply mixed gas with appropriate concentration under various working conditions! Meet the needs of engine work!