combination for short-term action effects 短期效应组合 ; 作用短期效应组合
combination for long-term action effects 长期效应组合 ; 作用长期效应组合
Short-term effects include the disturbances directly associated with the action of the pest, which may cause the defoliation, loss of vigor, or death of trees.
短期影响包括与害虫活动直接相关的干扰，可能导致树木落叶、失去活力或死亡。
The term is applied especially to drugs whose combined action is more powerful than their simple effects added together.
这个词特指几种药物的综合治疗效果要比它们单独治疗效果的简单叠加好。
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