* fix api cn doc of create_parameter, test=develop

* delete useless space, test=develop

* Modify compare op Doc

* fix the not_equal

* fix the code

* test=develop fix iou_similarity cn doc
* test=develop fix something based on review

resolve #20977
fix Issue: PaddlePaddle/Paddle#20977

* increase example code of py_func, fix some wrong description of API doc

* increase example code of py_func, fix some wrong description of API doc

fix logical_not cn doc

* refine name descrip. test=document_preview

* update bn

* update

* Add Chinese Doc for cond API

* add doc for gelu

* fix indent, test=document_preview

* fix hyper link, test=document_preview

* fix dtype annotations, test=document_preview

test=develop

* add Chinese document of control flow API case and switch_case. test=develop

* polish TypeError according to reviews. test=develop

As the title

* Add descending parameter for argsort doc.

* Refine doc

* Refine format

* add three new parameters for data_norm
* slot_dim: PaddlePaddle/Paddle#21152
* summary_decay_rate & sync_stats: PaddlePaddle/Paddle#21325

* update adam_op, scale_op, batch_norm_op doc. test=develop

* fix batch_norm example indent. test=develop

* add masked_select api chinese document

* refine, test=document_preview

test=develop

* modify doc for Attr(data_format) or Attr(data_layout) and add Raises information, test=develop

* modify doc of conv3d_transpose for Raises information, test=develop

Add the description and example of shape tensor supporting int32

* fix Layer and Pool2D api, test=develop

* update label_smooth_cn.rst, test=develop

* Polish cn doc fo gru_unit, lstm_unit and scaled_dot_product_attention.

* Add gather_tree_cn.rst and update the data type of assign/fill_constant_batch_size_like/gather_nd.

* Fix _cn_api_fluid_layers_gather_tree

* Update tensor_array_to_tensor and add mse_loss.

* fix Layer and Pool2D api, test=develop

* update label_smooth_cn.rst, test=develop