短語詞組短語carbon n isotope ratio 碳同位素比Carbon stable isotope 碳穩(wěn)定同位素Carbon Stable Isotope Composition 鹽分條件下三種紅樹植物穩(wěn)定碳同位素組成特征研究organic carbon stable isotope 有機(jī)碳穩(wěn)定同位素carbon oxygen isotope 碳氧同位素ratio of carbon stable isotope 碳穩(wěn)定同位素比值organic carbon stable isotope ratios 有機(jī)碳穩(wěn)定同位素carbon -isotope and oxygen-isotope 碳氧同位素Carbon -isotope-GC-IR-Mass 單躰碳同位素色譜 返回 carbon isotope