“principal”的概念、定义、翻译、参考文献-科学参考

单词	principal
释义	principal Encyclopedia 教育学学校释 headmaster;principal校长国家教育行政部门或其他办学机构管理部门任命的学校行政负责人，是各类学校内行政、业务等各方面的最高负责人。 Mathematics principal主要的，基本的；本金
随便看	point of inflexion point of interest point of intersection point of irreducibility point of libration point of local connectivity point of maximum point of meromorphy point of minimum point of multiplicity r point of net point of nondifferentiability point of osculation point of porosity point of rarity point of rectification point of regular type point of rest point of sale point-of-sale machine point of sale system point of sale system, POS point of self-intersection point of self-tangency point of semicontinuity

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。