Journals
Publish with us
Publishing partnerships
About us
Blog
Mathematical Problems in Engineering
Journal overview
For authors
For reviewers
For editors
Table of Contents
Special Issues
Mathematical Problems in Engineering
/
2020
/
Article
/
Fig 4
/
Research Article
Modeling and Simulation of Collaborative Dispatching of Disaster Relief Materials Based on Urgency
Figure 4
Hub location type in “hub-spoke” system. (a) Single-configuration model. (b) Multiple-configuration model.
(a)
(b)