单词 | 描画针 |
释义 | 〔pantograph〕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.缩放仪:一种按所需的比例复制平面图片的仪器,由用于描绘和复制的描画针组成,描画针置于四根有活节的杆上,四根杆构成可调整边长的平行四边形 |
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