短語詞組短語mass spectra spectroscopy 質(zhì)譜分析accelerator mass -spectroscopy 加速器質(zhì)譜分析helium -mass-spectroscopy leak detector 氦質(zhì)譜檢漏儀Chemical Ionization Mass Spectroscopy 化學電離質(zhì)譜gas chromatography mass spectroscopy 氣相色譜quadripole mass spectroscopy 四極質(zhì)譜electrospray mass spectroscopy 電噴射質(zhì)譜學field ion mass spectroscopy [物]場離子質(zhì)譜學mass spectrometry mass spectroscopy 質(zhì)譜學 返回 mass spectroscopy