= plane scale n. at plane, adj. compounds 1.
| 单词 | θ206009 |
| 释义 | society > travel > travel by water > vessel, ship, or boat > equipment of vessel > navigational aids > [noun] > ruler used in calculations (2) 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… |
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