常见例句雙語例句The characteristic cathode luminescence is one of the peculiarities to distinguish freshwater cultured pearls, seawater cultured pearls and treated pearls.隂極發光特征可作爲無損鋻別海水、淡水養殖珍珠以及処理養殖珍珠的主要依據之一。 返回 cathode luminescence