“International polar year”的概念、定义、翻译、参考文献-科学参考

单词	International polar year
释义	International polar year Encyclopedia 理学〔学术组织和学术活动〕释 International polar year国际极年世界各国对两极和高纬度地区地球物理现象进行联合观测的活动。
随便看	improper partial graph improper plane improper point improper principal ordinal improper prior improper quadric improper quotient object improper rational function improper refinement improper representation improper rotation improper rotation group improper sales behavior improper set improper singularity improper subalgebra improper subclass improper subgraph improper subgroup improper submodule improper subobject improper subset improper subspace improper symbol improper symmetry operation

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。