Which of the following statements are correct?
选项:
A: The estimation of the number of trips between an OD pair is unique.;
B:OD estimation is the reverse process of the four-step method.;
C:OD Estimation is usually applied for the future year.;
D:OD Estimation is effective if there are no household travel survey data.
发布时间:2024-05-17 16:24:59