| 释义 |
章动章动[zhāng dòng]1.■{天} nutation; nodding:黄经章动nutation in longitude;倾角章动nutation in obliquity
常用词组1.■章动常数 nutational constant;2.■章动传动 nutation drive;3.■章动传动装置 nutation drive unit;4.■章动轮 nutation wheel;5.■章动器 nutator;6.■章动椭圆 nutational ellipse;7.■章动周转 nutation period;8.■章动轴 nutation shaft;9.■章动子 nutator |