不宜引入“调整系数”李光炬分析研究用时间数列反映的社会经济现象，有时会涉及季节变动的测定问题。有的著述引入了“调整系数”，来对计算出的季节比率进行调整修正。引入调整系数的理由，是各季节比率之和常常不等于变动周期的季数（如４００％）或月数（如１２００％... Should not be introduced “adjustment factor” Li Guangju analysis of the use of time series reflected in the socio-economic phenomenon, and sometimes involves the determination of changes in the seasons. Some authors introduced the “adjustment factor” to adjust and correct the calculated seasonal ratio. The reason for introducing the adjustment factor is that the sum of the ratios of the seasons is often not equal to the number of quarters (eg 400%) or the number of months (eg 1200% ...) of the changing period.