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四角錐
1. quadrangular pyramid
2. Square pyramidIn geometry, a square pyramid is a pyramid having a square base. If the apex is perpendicularly above the center of the square, it will have C4v symmetry.
Read “Square pyramid” on English Wikipedia
Read “四角錐” on Japanese Wikipedia
Read “Square pyramid” on DBpedia
Read “Square pyramid” on English Wikipedia
Read “四角錐” on Japanese Wikipedia
Read “Square pyramid” on DBpedia
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