Analysts from the department ' s bureau of transportation statistics ( bts ) will weight and seasonally adjust the data to allow monthly and year to year comparisons 运输统计局的分析家将适当调整数据以便进行月度和年度间的比较。
3.
The traditional prediction methods attach importance to the analysis about the historical transportation statistics so as to foresee the trend of transportation development 传统预测着重于分析历史运量的统计规律来外推趋势，然而实际效果并不理想。
