protractors

英 [prəˈtræktəz] 美 [proʊˈtræktərz]

n.  量角器; 分度规
protractor的复数



柯林斯词典

  1. 量角器;分度规
    A protractor is a flat, semi-circular piece of plastic or metal which is used for measuring angles.

    双语例句

    1. The double-sided protractor comprises two identical protractors and is structurally characterized in that a rotating shaft is arranged in the center ofthe two overlapped protractors.
      本实用新型包括两个相同的量角器,其结构要点是在上下两个叠加量角器的中心上设置有转轴。
    2. Methods: The external noses of 338 adults and 83 adult cadavers were measured with slide callipers, triangles and protractors.
      方法:用游标卡尺、三角板、量角器,对338名成人外鼻和83具成人尸体外鼻进行了测量。