“principal normal section”的概念、定义、翻译、参考文献-科学参考

单词	principal normal section
释义	principal normal section Mathematics principal normal section主法截线
随便看	marek’s disease Marek’s disease virus，MDV mare-like plain Mare Marginis mare milk Mare Moscoviense Mare Nectaris Mare Nubium mareogram mareograph Mare Orientale Mare Serenitatis Mare Smythii Mare Spumans mare's tail Mare Tranquillitatis Mare Undarum Mare Vaporum Marfak Marfan syndrome Marfic Marfik marfunction Margaret Margaret Atwood

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。