Terms for subject Business containing time and data

English	Chinese
method of pooling cross-section and time series data	合并截面与时间序列数据法
pooled time-series and cross-sectional data	合并时间序列与横断面数据
pooling of cross-section and time-series data	断面数据与时间序列数据合并
technique of pooling together cross-section and time series data	合并截面和时间序列数据法