The principle of operation of the scandium oxide dispensing oxide cathode is researched. The effect of scandium in oxide cathode is analyzed. A emission function considering distribution is given.是什么意思_The principle of operation of the scandium oxide dispensing oxide cathode is researched. The effect of scandium in oxide cathode is analyzed. A emission function considering distribution is given.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句