| 释义 |
nutationnutation[nju:ˈteiʃən]n.1.■垂头, 下俯; 点头2.■【植】转头3.■【机、天】章动(轴的微动)4.■【医】点头病nutation angle【无】(雷达的)盘旋角
特殊用法fortnightly nutations1.■两星期章动free nutation1.■自由章动lunar nutation1.■月球章动revolving nutation1.■回旋转头运动solar nutation1.■太阳章动nutation of inclination1.■倾角章动nutation of vertical nutation1.■锤线的章动 |