词汇	diagram of shock polar
释义	diagram of shock polar 震波极图
随便看	A short extract from a film or videotape a shortfall in tax revenue a short film about love A short filmed advertisement for a movie A short flight of steps led up to the door a short fuse a short-haired bluish-gray cat breed a shorthand typist a short holiday a short hour A short,irregular motion of waves A short, irregular motion of waves a short length of chain a short life A short list of some major companies in China a short-lived family a short-lived guy A short-lived popular fashion A short-lived popular fashion; a fad A short-lived thing A short,loud puff,as of steam from an engine A short, loud puff, as of steam from an engine a short man a short measure a short-medium haul airliner