change in在…方面的改变changen.变化；零钱v.改变changes of soil erosion水土流失变化change of heat resource热量资源变化change of water quality水质变化change of forestry area林地变化change of point of view视角转换change of soil moisture土壤水分变化change of precipitation降水量变化changeover contact unit转换接点组change over to new ways改弦更张Change of economic form经济转型