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Terms for subject Earth sciences containing carbon/nitrogen | all forms | in specified order only
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carbon to nitrogen ratio碳氮比
carbon-hydrogen-nitrogen碳-氢-氮
carbon-nitrogen-oxygen碳-氮-氧
isotopes of carbon, oxygen, nitrogen and sulfur碳、氧、氮和硫的同位素
organic carbon-nitrogen ratio in soil土壤有机碳-有机氮比值

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