单词	前行程
释义	前行程 qián xíng chéng front travel
随便看	isotope-dilution--analysis isotope dilution analysis {= ida} isotope dilution analysis; isotope dilution method isotope dilution mass spectrometry isotope dilution method isotope dilution method--isotope dilution analysis isotope dilution surface ionization mass spectrometry isotope dilution-surface ionization mass spectrometry isotope discrimination isotope dispenser isotope dosimetry isotope effect isotope--effect isotope effects isotope-- enhanced isotope enrichment isotope--enrichment isotope equilibrium isotope-- even-a isotope-- even-mass isotope-- even-n isotope-- even-z isotope exchange isotope-- exchange isotope exchange reaction