A VUV soft ionization source was adopted in the mass spectrometer, which can avoid the formation of fragment ions and analyze volatile organic compounds in ambient air without pre-separation.是什么意思_A VUV soft ionization source was adopted in the mass spectrometer, which can avoid the formation of fragment ions and analyze volatile organic compounds in ambient air without pre-separation.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句