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| Sci-Tech-Prod (Science-Technology-Products) Village: 科學技術產品村: 010 |
| Amazing Numbers Pyramids: 驚人的數字金字塔 received from C. Alan Kang, Francis Tien |
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| Sci-Tech-Prod (Science-Technology-Products) Village: 科學技術產品村: 010 |
| Amazing Numbers Pyramids: 驚人的數字金字塔 received from C. Alan Kang, Francis Tien |