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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
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2018
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Article
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Tab 3
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Research Article
Application of Hierarchical Facility Location-Routing Problem with Optimization of an Underground Logistic System: A Case Study in China
Table 3
Node composition of two algorithms.
ā
20 nodes
30 nodes
model
Primary nodes
5
5
6
6
Secondary nodes
15
9
24
14
Tertiary nodes
0
6
0
14