“chemical oxygen demand”概念、定义、翻译-科学时代

单词	chemical oxygen demand
释义	请查阅chemical oxygen demand--chemical oxygen demand（COD）
随便看	carbon nano tube carbon nanotube carbon nanotube material carbon-nitrogen ratio carbon-nitrogen ratio--carbon-nitrogen ratio (C—N ratio) carbon-nitrogen ratio (C—N ratio) carbonolite carbonolite carbon paper carbon paper carbon paper marker carbon-phosphorus ratio carbon pile carbon-poor star carbon potential carbon powder carbon printing carbon printing carbon process carbon reduction carbon refractory carbon replica carbon residue value of petroleum products carbon restoration carbon ribbon

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。