“polar period”的概念、定义、翻译、参考文献-科学参考

单词	polar period
释义	polar period Mathematics polar period极周期 Astronomy polar period极性周期
随便看	forestry park management forestry pest inspection and quarantine forestry policy forestry policy history forestry policy system forestry production factors forestry production statistics forestry production structure forestry productivity forestry program forestry project management forestry quarantine pests forestry remote sensing forestry residual collector forestry residues forestry resource economics forestry resources data mining forestry science forestry sensor network forestry sociology forestry speciality survey forestry stakeholders forestry statistics forestry subsidized loans forestry sustainable development

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。