“国家信息基础设施”概念、定义、翻译-科学时代

单词	国家信息基础设施
释义	信息与系统科学词汇手册国家信息基础设施 NII（national information infrastructure）
随便看	marginal benefit (MB) marginal benefit of education marginal capacity marginal capital coefficient marginal capital expenditure marginal category marginal channel marginal check marginal check marginal check marginal classification marginal classification marginal clause marginal coefficient marginal concept marginal consumption trend marginal contribution marginal contribution marginal contribution ratio marginal contribution ratio marginal cost marginal cost marginal cost marginal cost marginal cost

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。