* refine name according the new standard test=develop

* refine name according the new standard test=develop

* test=document_preview

* refine cn doc

* refine cn doc

* refine cn doc

* refine cn doc

* Fix elu op doc
test=document_preview

* fix elu
test=document_preview

test=develop

* update uniform_random_cn.rst,test=develop

test=develop

test=develop

update cn doc for im2sequence , mean_iou, pad2d, range

Polish elementwise_max elementwise_min elementwise_pow documents 

fix chinese doc of BilinearInitializer, ConstantInitializer, MSRAInitializer, force_init_on_cpu, init_on_cpu and row_conv (#1280)

* fix chinese doc of BilinearInitializer, ConstantInitializer,
    MSRAInitializer, force_init_on_cpu, init_on_cpu, test=develop

* fix MSRAinitializer chinese doc, test=develop

* fix chinese doc of row_conv, test=develop, test=document_fix

* fix row_conv doc, test=develop

* update doc, test=develop

Polish elementwise_add/sub/mul/div documents

* fix api, test=develop, test=document_preview

* Refine stack op api doc

test=develop
Signed-off-by: Nzhaoyuchen <zhaoyuchen01@baidu.com>

* refine stack api
Signed-off-by: Nzhaoyuchen <zhaoyuchen01@baidu.com>

* add strided_slice op cn doc test=develop

* fix typo test=develop

* fix typo test=develop

* fix typo test=develop

* fix typo test=develop

* fix typo test=develop

* fix typo test=develop

* fix according review  test=develop

* fix according review  test=develop

* fix according review  test=develop

* fix api_cn of 11 APIs
test=develop
test=document_preview

* fix format of math and params

* fix tensor dimension description

* modify less_than api

* modify leaky_relu api

* modify log api

* modify logical_and api

* modify logical_or api

* modify logical_not api

* modify logical_xor api

* add param_attr example

* move example

* refine code emxpale

* Refine create_array op api doc.

test=develop
Signed-off-by: Nzhaoyuchen <zhaoyuchen01@baidu.com>

* Refine create_array api doc

test=develop
Signed-off-by: Nzhaoyuchen <zhaoyuchen01@baidu.com>

* update cn doc for assign op

* refine the description of assign op

* update the cn_doc of double_buffer

* add more information for double_buffer api

* add optional for parameters have default value

* add more infomation for Variable Reader

* correct the expression

* update the mul cn_api doc

* add optional for parameters have default value

* fix gather_nd scatter_nd_add scatter_nd, test=develop

* fix centerloss, test=develop

* fix the description, test=develop

* fix the doc, test=develop

* update the has_inf cn_api doc

* alter tensor/LoDtensor to Tensor/LoDTensor

* add reference link of elementwise_pow. test=document_preview

* fix Chinese doc of four API. test=develop, test=document_preview

* fix optional argument.  test=develop, test=document_preview

* fix cn doc accoring to reviews. test=develop, test=document_preview

update the has_nan cn_api doc

alter tensor LoDtensor to Tensor LoDTensor

update cumsum api doc

add Tensor/lodTensor for input x description

alter the optional for parameters have default value

test=develop
Signed-off-by: Nzhaoyuchen <zhaoyuchen01@baidu.com>

* fix argsort doc
test=document_preview

* fix
test=document_preview

* test=document_preview

* fix
test=document_preview

* fix
test=document_preview

* fix argmax doc
test=document_preview

* fix
test=document_preview

test=develop
Signed-off-by: Nzhaoyuchen <zhaoyuchen01@baidu.com>

* update cn doc for ones and zeros op

* fix the types of shape in zeros op

* add return type for ones and zeros op

* list all supported data types for zeros and ones op

* improve seq_concat seq_conv e.t api cn doc

* refine doc

* add datatype