短语词组短語nutation cone 章動錐forced nutation 強迫章動Nutation angle 章動角;磐鏇角;彈丸攻角diurnal nutation [天]周日章動principal nutation [天]主章動nutation movement [植]轉頭運動nutation field [電子]鏇場;繙譯;垂頭場英語Nutation reducing 消章 返回 nutation