“length of the tropical year and length of the synodic month”的概念、定义、翻译、参考文献-科学参考

单词	length of the tropical year and length of the synodic month
释义	length of the tropical year and length of the synodic month Encyclopedia 理学中国古代历法释 length of the tropical year and length of the synodic month岁实和朔策中国清朝的历法术语。
随便看	fractionation factor fraction bar fraction calculate method fraction collector fraction expression fraction field fraction in lowest terms fraction of critical speed for grinding mill fraction of integers fraction of soil heavy metal fraction stroke fractions连分式逼近 fraction unit fractographic analysis fractography fractometer fracton fractran fracture fracture aperture fracture assessment of nonmetallic structures fracture behavior of ceramics fracture control of steel pipe fracture criterion fracture density

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。