protractors

英 [prəˈtræktəz]

美 [proʊˈtræktərz]

n.  量角器; 分度规
protractor的复数

柯林斯词典

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

双语例句

• 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。
• 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。