A new method applied to quantitative analysis of trace gas by three-step isotope dilution mass spectrometry (IDMS) based on technology of sizes-balls is presented.是什么意思_A new method applied to quantitative analysis of trace gas by three-step isotope dilution mass spectrometry (IDMS) based on technology of sizes-balls is presented.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句