the type and amount of energy used and produced in a particular process, or the scientific study of
中文解释
能量关系,能量使用,能量输出;能量学 If you\'re looking at it in total energetics of food production, it\'s an expensive way to produce protein. 如果从食品生产涉及的总能量来看,这种生产蛋白质的方式非常昂贵。