单词	在线操作
释义	在线操作on-line operation
随便看	rotation recorder rotation-reflection axis rotation reflection group rotation {rotational motion} rotations rotation sampling rotation sensor rotation side band rotation sleeve rotation spectrum rotation spectrum; rotational spectrum rotation speed rotations per minute {= rpm} rotations per minute {= rpm}--revolutions per minute rotation subject index rotation symmetry rotation system rotation temperature rotation tensor rotation test rotation tetrad rotation therapy rotation tillage rotation time rotation tlc