Substratesn.基质，基片；底层；培养基（名词substrate的复数形式）substraten.[无线电]基底；[印刷]底面；承印物；[生化]基质；被酶作用物substrate conveying speed基板输送速度substrate pre-treatment衬底预处理substrate of pine sawdust松木屑substrate interconnection衬底互连substrate water potential基质水势substrate-limited guild基底限制种团Substrate depletion method底物消除法substrate-binding pocket底物结合区substrate curvature method基片曲率法substrate current equation衬底电流公式