| search-questions |
￥0.12/call |
Yes |
| correction |
￥0.24/topic |
Yes |
| pinyin-correct |
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Yes |
| Oral Calculation Correction |
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On Ddemand |
| Universal OCR for Education |
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On Ddemand |
| Chinese Composition Correction |
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On Ddemand |
| English Composition Correction |
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On Ddemand |