* add zh_cn engine.md and evaluation.md
* Modify some details
* Modify some details
* Revision submission after rolling back the version
* Apply suggestions from code review
Co-authored-by: Yixiao Fang <36138628+fangyixiao18@users.noreply.github.com>
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Co-authored-by: Yixiao Fang <36138628+fangyixiao18@users.noreply.github.com>