“rank-two method”概念、定义、翻译-科学时代

单词	rank-two method
释义	数学词汇手册 rank-two method 秩2方法
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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。