Warning: file_put_contents(/www/wwwroot/ppbbbu/202081.com/cache/b241ed283d4fa5ea7fa23918dadb2606.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 cathode luminescence例句_cathode luminescence英汉例句_cathode luminescence双解例句_2020年的事情英文词典
The characteristic cathode luminescence is one of the peculiarities to distinguish freshwater cultured pearls, seawater cultured pearls and treated pearls. 阴极发光特征可作为无损鉴别海水、淡水养殖珍珠以及处理养殖珍珠的主要依据之一。