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Outline
This paper focuses on the operational organization issues of metro logistics systems, drawing on domestic and international practices and taking literature from 2016 to 2025 in databases like Web of Science and CNKI as samples. By integrating bibliometric and content analysis methods, it examines research progress in this field. Subsequently, it provides an in-depth review of studies using quantitative analysis methods from perspectives such as research objects, stakeholders, transportation organization modes, train scheduling, capacity allocation, freight flow distribution, modeling strategies, and solution algorithms. The findings show that international practice and research started earlier but have not been continuously promoted, while domestic research, despite considerable attention, remains in a small-scale exploratory phase. Current research lacks systematic connections when analyzing key issues like transportation organization modes, train scheduling, capacity allocation, and freight flow distribution, highlighting the urgent need to construct an integrated optimization framework for multi-element collaboration. The research objects need to be further extended from single-line scenarios to complex networks to enhance the practicality and applicability of the theoretical findings. Under the green and low-carbon objective, incorporating energy consumption indicators into scheduling optimization and integrating low-carbon strategies such as regenerative braking energy utilization is of great significance. Meanwhile, moving beyond fixed demand assumptions and strengthening the ability to respond to uncertainty and elastic demand can improve the alignment between research and reality. Additionally, developing optimization algorithms suitable for large-scale networks remains a key direction for future research.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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