| 单词 | perpendicular-sided |
| 释义 | > as lemmasperpendicular-sided ΚΠ c1865 Ld. Brougham in J. Wylde Circle of Sci. I. Introd. Disc. p. vi The third side of a perpendicular-sided triangle. 1895 Amer. Math. Monthly 2 385 Triangles, average area of all that can be drawn perpendicular-sided. < as lemmas |
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