protractor
英 [prəˈtræktə(r)]
美 [prəˈtræktər]
n. 量角器; 分度规
复数：protractors
BNC.29824 / COCA.38827
牛津词典
noun
- 量角器；分度规
an instrument for measuring and drawing angles, usually made from a half circle of clear plastic with degrees (0˚ to 180˚) marked on it
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.
英英释义
noun
- drafting instrument used to draw or measure angles
双语例句
- Method: Thirty dry samples of occiput were measured with vernier caliper and protractor.
方法：用游标卡尺和量角器对30例成人干燥枕骨标本进行测量：（1）枕骨背面上项线区的测量； - A localization algorithm based on visual protractor was proposed in order to solve the problem of mobile robot localization in outdoor environments.
针对移动机器人在室外环境中的定位提出了一种基于视觉量角计的定位算法。 - Methods Using square caliper, compass and protractor, 23 heads of adult cadaver specimens were examined including the shape, direction and the thickness of wall of lacrimal sac fossa.
方法：利用游标卡尺、圆规、量角器等，对23具（46侧）成人尸头的泪囊窝和鼻泪管各壁的构成、厚度、倾斜角度进行测量。 - To draw to scale by means of a scale and protractor; plot.
测绘用圆规和量角器划线和角；标绘。 - This compass serves as a protractor.
这个罗盘可用作分度规。 - The actual displacement between any two points may be determined by drawing a scale diagram with a ruler and a protractor, or by using simple trigonometry.
任何两点之间实际的位移可用比例尺和分度器画简图予以判断，或者使用简单的三角学计算之。 - A formula for calculation of the size of the sine protractor measuring blocks and an easy way to accurate measurement of conical angle is deprived by the function relation between taper and taper angle.
通过圆锥体的锥度与锥角间的函数关系，推导出测量圆锥体时，正弦规的量块组尺寸计算公式和圆锥角的精密简便测量方法。 - Visual Protractor Based Track Correction
基于视觉量角计的航迹修正算法 - 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。 - The level of medial epicondyle of femur was taker as mark point to measure the position, thickness and length of all muscle nerves and their final branches with vernier caliper ( Accuracy is 0.02mm), straightedge ( Accuracy is 1mm), compasses and protractor.
用游标卡尺（精确度0.02mm），直尺（精确度1mm），圆规和量角器，以股骨内上髁水平为标志点对各神经肌支及其终支的位置、粗细和长度进行测量。