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单词 pantograph
释义
pan·to·graph (păntə-grăf)
n.
1. An instrument for copying a plane figure to a desired scale, consisting of styluses for tracing and copying mounted on four jointed rods in the form of a parallelogram with extended sides.
2. A similarly jointed framework, such as a power-collecting trolley on an electric locomotive or an extensible telephone arm.

[Greek panto-, all; see PANTOMIME + -GRAPH.]

panto·graphic adj.
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更新时间:2025/1/8 14:42:37