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单词 curvograph
释义 ˈcurvograph
[f. curve (or L. curvus) + -graph.]
An instrument for describing curves.
1817W. Warcup in Trans. Soc. Arts XXXV. 109 An instrument of my invention for describing curve lines, which I purpose calling the curvograph.1874Knight Dict. Mech., Curvograph, an instrument for drawing a curve without reference to the center.
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