“饱和亏缺”在农业、土壤学等专业领域常见的英文表达是 “saturation deficit” 。它指的是土壤中水分未达到饱和状态时,所缺少的水分量,用于描述土壤水分状况。
例如:The saturation deficit of the soil in this area is relatively high, which affects the growth of crops.(这个地区土壤的饱和亏缺相对较高,影响了作物的生长。 )