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| Notation | Meaning |
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| The set of stochastic customers with index i |
| The set of dynamic customers with index |
| The set of battery swap stations with index b |
| The set of distribution centers with index o |
| The set of vertexes |
| The set of electric vehicles with index k |
| The distance from i to j |
| The actual demand of customer i |
| The dynamic demand of customer |
| The expectation of customer i’s demand |
| Power consumption per kilometer |
| The decision maker’s attitude towards risk |
| Remaining battery capacity of vehicle k on arrival at |
| Remaining battery capacity of vehicle k on departing at |
| The remaining load when the vehicle leaves point j |
| Vehicle capacity |
| Battery capacity |
| Unit distance cost (¥/km) of electric vehicles |
| Fixed cost for each electric vehicle |
| Travel time (hours) on arc (i, j) |
| Travel speed (km/h) of electric vehicles |
| if the vehicle k flows on arc (i, j); otherwise, |
| if the customer i is serviced by vehicle k; otherwise, |
| if the vehicle k returns to the depot after completing its tasks; otherwise, |
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