常見(jiàn)例句雙語(yǔ)例句One of the advantages of sol-gel method is that the dielectric constant of silica and magnesium oxide was low, which can wash largely down dielectric constant of BST.用溶膠-凝膠法制備硅鎂鹽包覆BST粉體的優(yōu)點(diǎn)一是,硅鎂氧化物的介電常數(shù)低,可以大大沖淡BST的介電常數(shù); 返回 wash-down method