“yardstick compass”的概念、定义、翻译、参考文献-科学参考

单词	yardstick compass
释义	yardstick compass [`yärd´stik ´käm·pǝs] ^{GRAPHIC ARTS} A simple arrangement consisting of two fully adjustable clips that slide on an ordinary yardstick; one clip has a sharp point, the other a pencil holder; the compass is used to make large, accurate circles.
随便看	vertex vertex angle vertex detector vertex power vertical air photograph vertical anemometer vertical angles vertical antenna vertical axis vertical-axis propeller vertical band saw vertical blanking vertical boiler vertical boring mill vertical broaching machine vertical centering control vertical center keelson vertical circle vertical compliance vertical component effect vertical conveyor vertical-current recorder vertical curve vertical danger angle vertical definition

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