“Principal”的概念、定义、翻译、参考文献-科学参考

单词	Principal
释义	Principal Encyclopedia 历史学制度释 Principal正任中国宋代武阶的最高一等，与遥郡相对。
随便看	gravitino gravitoelectromagnetism gravitomagnetism graviton gravitophotophoresis gravitropism gravity gravity acceleration gravity air classification equipment gravity anomaly gravity anomaly interpretation gravity anomaly separation gravity assist gravity-based structure gravity basis-points gravity basis-points nets gravity beneficiation machinery gravity blending silo gravity bottle gravity cage with floating collar gravity casting gravity center gravity center energy gravity-center energy gravity centre of population

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。