Update SDK_tutorial_zh.md

zhifu gao

2023-07-02 6043d1119260c3f8b83859bd9f3fa719e3f0342d

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beam_size: 5
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.5
lm_weight: 0.7