单词	free foot
释义	free foot 浮脚
随便看	doppler line shape doppler linewidth Doppler line width Doppler Location Doppler location and range system Doppler Location and Ranging System doppler log Doppler loop doppler mapping technology Doppler Martin Radar Doppler mathemotical reasoning test doppler measurement Doppler Measurement System doppler measurments Doppler message doppler method doppler microwave Doppler Microwave Landing Guidance Doppler microwave landing system doppler minimum flow velocity resolution doppler minimum flow-velocity resolution doppler mode scanning Doppler mode scanning Dopplermodulation doppler modulation