季节性变动 seasonal variation ; [贸易] seasonal change ; seasonality-S
周期性变动 [数] Cyclical variation ; fluctuation ; rhythm ; cyclity-C
酌量性变动成本 discretionary variable cost
间隔性变动 spaced fluctuation
结构性变动 architectural change
模式性变动 Modular Change
季节性变动调整 adjustment for seasonal variation
统计性变动 statistical fluctuation
一次性变动 once-and-for-all change ; once and for all change
价格的周期性变动可以观察得到，但相当平缓。
Cyclical patterns can be observed, but movements are relatively moderate.
这种演化过程对应着它在赫罗图上位置的规律性变动。
This evolution corresponds to the coordinate change of stars in the H-R diagram.
西红柿价格肯定程度上呈现季节性变动，但也是通胀上扬的症状。
Thee price of tomatoes is partly seasonal, but is also symptomatic of rising inflation.
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