* Create fleet_train_infer.md

* Create amp_train_infer_python.md

* Rename fleet_train_infer.md to fleet_train_infer_python.md

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* upload fleet train md

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* rm empty amp.md

* format serving dev doc

* rm gateway

* add base train infer python

* fix jeston doc

* fix comments from TCChenlong

* fix comments from TCChenlong

* rm

* fix contents

* add jeston mac and win md

* delete

* add link

* fix comment

* fix text style

* fix win

* fix comments

* fix template

* add basic link

* fix doc

* fix doc

* add elc doc

* fix typo

* add paddlerec doc

* fix bug

* rename

* add thx

* fix link

* minor fix

* fix

* add tipc doc for cpp infer

* add images

* fix

* fix

* fix

* update

* update

* update

* update

* update

* update

* 新增lite_arm_cpp测试文档

* add Lite_arm_cpp测测试开发规范.md

* update Lite_arm docs

* add base train infer python

* fix jeston doc

* update rec

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* add tipc doc for cpp infer

* add images

* fix

* fix

* fix

* add new faq for jingying-plan

* add set device

* fix faq

* add ch4

* Update ThesisReproduction_CV.md

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* fix readme

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* fix number

* add grad print example

* add content

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* fix

* added speaker

* update readme

* added reverb/noisify/AudioReader/RandomChoice/RandomApply

* bug fixed

* transform name changes

* work around for bug in paddle's groupnorm

* upgraded to use float64 inside for high numerical acc

* fixed docstring, add nn.Layer as super for Noisify

* fixed docstring

* added mfcc func/trans and dct function

* updated unit test

* add dtype to control datatype in win function

* add dtype control in transforms

* add dtype control in functionals

* updated test

* added dtype control, updated test