方向: direction; orientation频谱: frequency spectrum; frequenc ...反向频谱: inverse frequency spectrum; reverse spectrum方向频率图: directional frequency diagram全向频谱公司: omni spectra inc频谱: frequency spectrum; frequency content; spectrum; power-density spectrum; power spectrum; [系统] spectral density◇频谱测定法 spectrometry; 频谱分析 spectrum analysis; frequency analysis; 频谱仪 frequency spectrograph风向频率: frequency of wind direction风向频率图: wind diagram; wind rose反向频率系统: reverse direction frequency system斜向频率探测: frequency sounding at oblique incidence指向频率特性: directivity frequency characteristic方向: direction; orientation 明确斗争的方向 clarify the orientation of the struggle; 在森林里迷失了方向 lose one's way in the forest; 坚定正确的政治方向 a firm and correct political orientation; 指明前进的方向 point out the way forward; 改变整个世界历史的方向 change the course of world history; 坚持为人民服务的方向 adhere to the orientation of serving the people; 朝这个方向 in this direction; 飞机向相反的方向飞去。 the plane is flying a contrary direction. 迂回曲折的小道使我们迷失了方向。 the winding trail caused us to lose our orientation. 队伍朝西山的方向前进。 the contingent marched in the direction of the western hills风玫瑰图,风向频率图: wind-rose diagram风向图;风向频度图: wind rose; windrose红向频移(吸收光谱): bathochromic shift倒频谱: cepstrum复频谱: complex frequency spectrum高频谱: high frequency spectrum光谱,频谱: spectrum互频谱: cross spectrum角频谱: angular spectrum宽频谱: wide spectrum浪频谱: wave frequency spectrum模频谱: mode spectrum频谱窗: spectral window