[Docathon][Fix Doc Format No.33-35] fix IpuStrategy_cn，distribute_fpn_proposals_cn，embedding_cn#7514

Luxorion-12 wants to merge 4 commits intoPaddlePaddle:developPaddlePaddle/docs:developfrom

Luxorion-12:developLuxorion-12/docs:developCopy head branch name to clipboard