cyclical fluctuation
n. 循環變動，週期性波動
there is evidence that the slump is not cyclical but secular.
有證據表示衰退不是週期性的而是長期性的。
The object is no longer in cyclical motion.
這物體已不再循環運動。
cyclical fluctuation
n. 循環變動，週期性波動
there is evidence that the slump is not cyclical but secular.
有證據表示衰退不是週期性的而是長期性的。
The object is no longer in cyclical motion.
這物體已不再循環運動。
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