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单词 copunctal
释义 copunctal, a. Math.|kəʊˈpʌŋktəl|
[f. co- 2 + punctual a.]
Meeting in a point, concurrent.
1896Merriman & Woodward Higher Math. 71 (Cent. D. Suppl.), Planes all on the same point, or straights all with the same cross, are called copunctal.1961C. H. McDowell Dict. Math. 31 Copunctal, concurrent; meeting in a point.
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