| 摘要 |
In one embodiment, provided is a system for printing data on a flexible substrate that has a color-changeable materials associated therewith. The system comprises a data source that may be configured to provide data to be printed on the flexible substrate, a processing circuit, and an energy source. The processing circuit may be configured to retrieve the data from the data source and to control the energy source to change a color of the color-changeable material based on the retrieved data.
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