differentia
/ˌdɪfəˈrenʃɪə/a feature by which two subclasses of the same class of named objects can be distinguished 差异 (Also called difference)
noun [具体名词] 差异；种差；不同点
Please show the brief differentia between hydroponics and soil culture. 请简要说明营养液栽培与土壤栽培在植物养分供应上的不同点。
