Update README_zh.md (#1007)

yufan

2023-10-13 dc5b54b77d5aadde15cb0734ae6a5238b21aa78f

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beam_size: 10
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.5
lm_weight: 0.7