longitudinal method meaning in English

包卷式包胶法
纵向法

This cross - sectional analysis offsets the incompletion of data usually met when the longitudinal method is used . the result announces the long term developing trend and rule for construction industry , and provides a new benchmark for the forecasting , planning and appraising for the industry in the long run
这一多国横向研究结果弥补了纵向研究的长期数据不足性，同时也揭示了建筑业的长期发展趋势和规律，为建筑业长期产业预测和产业规划、产业评价等提供了新的工具和依据。