“华夏鸟”的概念、定义、翻译、参考文献-科学参考

单词	华夏鸟
释义	华夏鸟 Encyclopedia 理学鸟纲（化石）释 None华夏鸟已灭绝的一类小型白垩纪鸟类。反鸟类华夏鸟科中的一属。
随便看	dimensionless notation dimensionless number dimensionless parameter dimensionless quantity dimensionless time parameter dimensionless unit dimensionless variable dimension lumber dimension number dimension of a cell dimension of a complex dimension of affine set dimension of a lattice dimension of algebraic group dimension of a linear space dimension of a linear system dimension of a manifold dimension of an element dimension of an ideal dimension of an offine variety dimension of a physical quantity dimension of a polyhedron dimension of a projective variety dimension of a representation dimension of a sieve

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。