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Caption : fig. s1 comparison of the rdfs of water obtained from dpmd simulations between small system and large system. the red line represents the small system, and the black dashed line represents the large system.

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Caption : fig. s2 workflow of dp-gen

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Caption : fig. s3 the temperature distributions along the y direction calculated from dynamical simulations with nosé-hoover thermostat and langevin thermostat, respectively. the table in the figure shows the temperature drop at the high and low temperature surfaces.

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Caption : fig. s4 the temperature distributions along the y direction calculated from dynamical simulations at 290 k, 300 k and 310 k, respectively. the table in the figure shows the temperature drop at the high and low temperature surfaces.

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Caption : fig. s5 (a) the temperature distributions along the y direction calculated from dynamical simulations with different cross-sectional area. (b) the temperature distributions along the y direction calculated from dynamical simulations with different channel height. the table in the figure shows the temperature drop at the high and low temperature surfaces.