pantograph

n. 比例画图仪器 [计] 缩图仪

发音

US
UK /ˈpantəɡɹɑːf/
UK /ˈpantəɡɹaf/

词形变化

pantographs 复数 pantographs pantographed pantographing pantographs 三单 pantographing 现在分词 pantographed 过去式 pantographed 过去分词

别名

pan pantagraph panto pentegraph

释义与例句

n.
  1. 1.

    A mechanical linkage based on parallelograms causing two objects to move in parallel; notably as a drawing aid.

    A pantograph can be adjusted to make either scaled or exact copies.

  2. 2.

    By extension, a structure of crosswise bars linked in such a way that it can extend and compress like an accordion, such as in a pantograph mirror or a scissor lift.

  3. 3.

    A pattern printed on a document to reduce the ease of photocopying.

    I was impressed by the quality of the pantograph; I hadn't noticed it on the original, but the copies were covered in unpleasant lines.

  4. 4.

    A similarly-formed conductive device, now usually Z-shaped, that collects electric current from overhead lines for trains and trams.

    集电弓

    受电弓

    交通
v.
  1. 1.

    To engrave by means of a pantograph (parallel linkage) system.

词源

From French pantographe, from panto- (from Ancient Greek παντός (pantós), genitive singular of πᾶν (pân, “all”)), and -graphe (from γράφειν (gráphein, “to write”)).

来源：wiktionary