常見例句雙語例句The characteristic cathode luminescence is one of the peculiarities to distinguish freshwater cultured pearls, seawater cultured pearls and treated pearls.陰極發(fā)光特征可作為無損鑒別海水、淡水養(yǎng)殖珍珠以及處理養(yǎng)殖珍珠的主要依據(jù)之一。 返回 cathode luminescence