閾（閾）yù? ? [書] （門坎兒） threshold; doorsill
? (界限； 范圍) threshold: 發(fā)射 ～ emission threshold; 干擾 ～ interference threshold; 視 [痛] ～ visual [pain] threshold
◆閾電流 threshold current; 閾電壓 {核} starting voltage; threshold voltage; 閾量 threshold dosage; threshold dose; 閾能 {核} threshold energy; 閾限 {心理} threshold ; 閾值 threshold; threshold value |