“proper natural number”的概念、定义、翻译、参考文献-科学参考

单词	proper natural number
释义	proper natural number Mathematics proper natural number正常自然数
随便看	six phases safe evaluation assessment Six Piece Bedding Set Six Plays of Tan yuan Six Poems on Remembering six-point circle six-point contact Six-Point Programme Six Points of Screenwriting for Classical Drama six points to be considered six-poles six prescriptions on copper-tin alloys six principles of cartography Six Principles of Chinese Painting six proportions of copper to tin Six Protectorates six-quark state Six Royal Armies at Haojing six scholars of Neo-Confucianism six script-style in early Han six seasons qi six sense organs Six Services for the Heir Apparent six sigma six sigma, 6sigma six sigma, 6σ

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。