scale of equal parts = plane scale n. at plane, adj. compounds 1.
| 单词 | θ116215 |
| 释义 | the world > relative properties > number > mathematical instruments > [noun] > trigonometrical instruments (4) scale of equal parts1630 scale of equal parts = plane scale n. at plane, adj. compounds 1. plain scale1659 = plane scale n. at plane, adj. compounds 1. plane scale1709 a scale or ruler marked with lines representing chords, rhumb lines, sines, tangents, secants, etc., used in mathematical operations, esp. in… trigonometer1767 A name given to various trigonometrical instruments. |
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