“principal axes”的概念、定义、翻译、参考文献-科学参考

单词	principal axes
释义	principal axes Encyclopedia 理学截面的几何性质释 principal axes主惯性轴使得惯性积为零的一对坐标轴。简称主轴。
随便看	roadbed roadbed of forest road roadblock road coloring problem road condition measuring instrument road congestion pricing road construction and road maintenance machinery road construction and road maintenance machinery and equipment road construction area sign road construction equipment road cross-section design road cutting machine road cycling road detection road drainage road elevation road engineering geo-logical problems road environment road evaluation road for factory and mine road freight transport road freight transport terminal road frost boiling road frost damage road greening

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。