The procedures to divide bi-directional flows into two single directional flows are discussed. The formulae for OD flow calculation are derived.
并描述了将双向交通流分解为单向交通流进行推算的过程，给出了通道OD递推公式和相应条件。
On the basis of the research of domestic and international OD data processing technique and steps, this paper further founds the comparatively consummate system of OD flow fitting.
本文在对国内外OD数据处理方法与步骤的研究基础上，进一步构建了较完善的OD流拟合体系。
On the basis of the research of domestic and international OD data processing technique and steps, this paper further founds the comparatively consummate system of OD flow fitting.
本文在对国内外OD数据处理方法与步骤的研究基础上，进一步构建了较完善的OD流拟合体系。
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