secondary undulation次波动;副振动
tidal undulation潮振动;潮位升降
undulation point起伏点
local undulation局部波动
Chest Undulation胸部波浪
undulation fold波状褶皱
sand undulation起伏沙丘
stocks undulation股票风云
The government appropriate rescue behavior may slow down the economical the undulation.
政府恰当的救助行为可以减缓经济的波动。
参考来源 - 政府金融救助研究：理论与经验N（名词） the act or an instance of undulating 连绵起伏