英文名称：Seasonal Adjustment 中文名称：季节性调整当分析非季节性趋势时，去除某些季节性因素的统计方法被称为季节性调整。对经济指标作季节性调整有助于察觉其潜在趋势。e.g. The seasonal adjustment difficulties that have held initial unemployment insurance claims down for the past two weeks should start to fade this week.