Its principle is that ultraviolet light from ultraviolet Hg lampis modulated to pulsed light, stretching forward to produce the fluorescence.是什么意思_Its principle is that ultraviolet light from ultraviolet Hg lampis modulated to pulsed light, stretching forward to produce the fluorescence.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句