| CPC H04W 24/10 (2013.01) [H04W 28/04 (2013.01)] | 20 Claims |

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1. A method for transmitting data, comprising:
receiving, by a terminal device, first indication information, wherein the first indication information is used to determine whether the terminal device is valid; and
determining, by the terminal device, whether to transmit first data according to the first indication information;
wherein the first data comprises at least one of: intermediate data in a federated learning process, or sample data in a machine learning process.
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