| 单词 | ruled surface |
| 释义 | ruled surface in American English Geometry a surface that is the locus of all points on a moving straight line, as a plane, cone, etc. ruled surface in American Englishnoun Geometry a surface that can be generated by a straight line, as a cylinder or cone Word origin [1860–65]This word is first recorded in the period 1860–65. Other words that entered Englishat around the same time include: monism, mutualism, pop-up, prep, raider |
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