5、swillstopgrowingoreventofreezetodeath,sotocontrolthetemperaturewithintherangeforthegrowthofvegetables. Beforethegreenhousetemperaturecontroliscontrolledbymanual,theworkersaccordingtothetemperatureofthethermometermeasuredvaluetoadjustthetemperatureinthegreenhouse. If only
6、relyontheworkers to control theartificialerrorwill oftenappear, andtheproduction efficiencywillbegreatly lowered. Now,withthepopularizationofagriculturalmodernization,increasingthequantityandqualityofgreenhouse,theprevioustemperaturecontrolmethodinoperatingthegreatlimitat