衰落
近义词与同义词
按词义分组列出，使用时请结合具体语境。
a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"
become smaller; "Interest in his novels waned"
the state of being degenerate in mental or moral qualities
grow smaller; "Interest in the project waned"
a condition inferior to an earlier condition; a gradual falling off from a better state
a gradual decline (in size or strength or power or number)
基本解释
①由强而弱；失去盛势；没落文教衰弱，风俗靡靡｜《西方的衰落》。②无线通信中，接收端收到的信号出现时强时弱、甚至消失的现象。由于电波循不同路径到达接收点的电波相位不一，同相位使振幅相加，反相位则振幅相减。在短波通信中，电波主要靠电离层反射来传播，而电离层的高度、厚度和离子密度一直在变，故衰落现象特别明显。