diff --git a/readme.md b/readme.md
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+++ b/readme.md
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-ENVIROI2CSV.py: 用来将ENVI勾画的ROI，转换为地表覆盖类型算法的样本格式
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+ ENVIxml2csv_czh.py: 用来将ENVI勾画的ROI，转换为地表覆盖类型算法的样本格式
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