You need to review the revenue results for the past five quarters (at least) or past three years to see whether any inexplicable swings in seasonal activity exist.

你需要为过去五四分之一(至少检讨收入结果)或过去三年见到在季节的活动中的任何不能说明的摇摆是否存在。

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Wood is the product of cambial activity in trees, and the seasonal activity style of cambium directly influences wood biomass production, structures and properties.

木材（次生木质部）是树木形成层细胞分化的产物，形成层的活动方式不仅影响木材的产量，而且影响木材的结构和性质。

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It is considered that seasonal changes of nocturnal activity time span of Leschenault's rousette were responses to availability of food resources and artificial fruits.

作者认为，棕果蝠夜间野外活动时间长短的季节变化是对野外食物可利用量和人工种植水果成熟季节变化的响应。

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Levels of flu-like illness were said to be "within the usual seasonal activity range" but were "higher than Wales has experienced in recent years".

BBC: GPs report small rise in number of flu patients

There has also been an increase in the number of GP consultations for flu but the figure remained "within the levels of normal seasonal flu activity".

BBC: 15 flu deaths reported in Wales in one week

Does the lack of promotional activity take away from the seasonal jingle?

FORBES: Retail Sales Suffer The Holiday Blahs