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Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>
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![en/device-dev/driver/figures/HCB-using-process.png](https://gitcode.net/openharmony/docs/-/raw/ddc5cccf278eda6e6e099c8169d4ce5c98eb11a9/en/device-dev/driver/figures/HCB-using-process.png)
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![en/device-dev/driver/figures/HCB-using-process.png](https://gitcode.net/openharmony/docs/-/raw/ddc5cccf278eda6e6e099c8169d4ce5c98eb11a9/en/device-dev/driver/figures/HCB-using-process.png)
![en/device-dev/driver/figures/hdf-driver-model.png](https://gitcode.net/openharmony/docs/-/raw/ddc5cccf278eda6e6e099c8169d4ce5c98eb11a9/en/device-dev/driver/figures/hdf-driver-model.png)
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![en/device-dev/driver/figures/hdf-driver-model.png](https://gitcode.net/openharmony/docs/-/raw/ddc5cccf278eda6e6e099c8169d4ce5c98eb11a9/en/device-dev/driver/figures/hdf-driver-model.png)
Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>
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