“不可定向流形”的概念、定义、翻译、参考文献-科学参考

单词	不可定向流形
释义	不可定向流形 Mathematics ＞拓扑学与几何学＞代数拓扑学＞释义 non-orientable manifold不可定向流形 non-orientable manifold不可定向流形^†
随便看	Metrology Law of the People's Republic of China metrology of AC impedance metrology of AC quantities metrology of aerospace metrology of DC quantities and resistance metrology of geometricaloptics metrology of high voltage metrology of imaging optics metrology of materials metrology of medical optics metrology of metabolome metrology of physicochemical properties metrology of quantity of chemical composition metrology supportive equipment of model metrology system metrology technology for radon nuclides and their decay products metrology technology of acidity metrology technology of calorimetry metrology technology of chemical purity metrology technology of electrolytic conductivity metrology technology of focal length metrology technology of gloss metrology technology of humidity metrology technology of isotope abundance metrology technology of lens center transmittance

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。