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User Guides
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..  todo::

If you have got the hang of Beginner's Guide, and wish to model practical problems and build your original networks, this section will provide
you with some detailed operations:


    - `LoD-Tensor Concepts <../user_guides/howto/basic_concept/index_en.html>`_ ：It explains basic concepts of Fluid LoD-Tensor.

    - `Prepare Data <../user_guides/howto/prepare_data/index_en.html>`_ ：This section introduces data types supported and data transmission methods when you are training your networks with Fluid.

    - `Set up Simple Model <../user_guides/howto/configure_simple_model/index_en.html>`_： This section illustrates how to model practical problems and build networks with related operators of Fluid.

    - `Train Neural Networks <../user_guides/howto/training/index_en.html>`_：This section will guide you to perform single-node training, multi-node training, and save or load model variables.

    - `Model Evaluation and Debugging <../user_guides/howto/evaluation_and_debugging/index_en.html>`_：It introduces the model evaluation and debugging methods in Fluid 

Reproduced classic models of multiple directions in Fluid：

    - `Fluid Model Library <../user_guides/models/index_en.html>`_

..  toctree::
    :hidden:

    howto/basic_concept/index_en.rst
    howto/prepare_data/index_en.rst
    howto/configure_simple_model/index_en.rst
    howto/training/index_en.rst
    howto/evaluation_and_debugging/index_en.rst