更新文档和运行脚本，修复文档拼写错误 (#2688)

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2025-10-01 fa9a6cdb1eade68c258eed7297f5a8a8a5329ac6

 examples/industrial_data_pretraining/contextual_paraformer/path.sh

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export FUNASR_DIR=$PWD/../../../

# NOTE(kan-bayashi): Use UTF-8 in Python to avoid UnicodeDecodeError when LC_ALL=C
export PYTHONIOENCODING=UTF-8
export PATH=$FUNASR_DIR/funasr/bin:$PATH
export PYTHONPATH=$FUNASR_DIR/funasr/bin:$FUNASR_DIR/funasr:$FUNASR_DIR:$PYTHONPATH