英语词汇“doubly ruled surface”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	doubly ruled surface
释义	DictionarySeeruled surface doubly ruled surface doubly ruled surface [¦dəb·lē ¦rüld ′sər·fəs] (mathematics) A ruled surface that can be generated by either of two distinct moving straight lines; quadric surfaces are the only surfaces of this type.
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