protractor

第三人称单数：

动词第三人称单数: protracts

更多词形：

形容词: protractive | 副词: protractedly | 名词: protractedness | 动词过去式: protracted | 动词过去分词: protracted | 动词现在分词: protracting | 动词第三人称单数: protracts |

单词例句：

Make sure the straight line of the protractor is aligned with the edge of the card.

仔细测量角度。

cheliceral protractor muscles

螯伸肌

Screen angle indicator: A protractor with many co-centre circles. When placed over a half-tone film or print, indicates by a halo, the screen angle of the half-tone.

网角指示器:是一个带有很多同心圆的量角器。把它放在瘗半色调底片上，现出圆晕，指出该半色调的绸线角度。

Step 2: Tape the protractor to the card.

步骤二： 透过角度测量仪看这栋建筑的最高点，当你举高角度测量仪时，垫圈和细绳会从零度移动到一个新的刻度。

universal chrome-plated vernier angle protractor

镀铬游标万能角度尺

A Discussion on Experiment by Demonstrating a Protractor for Radian

浅议弧度制的演示实验教学

angular alignment protractor

角度对线量角器

A localization algorithm based on visual protractor was proposed in order to solve the problem of mobile robot localization in outdoor environments.

摘要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。

Step 1: Make a tube by rolling the A4 paper lengthways and taping the ends closed. Next, cut out the protractor at the bottom of this page.

步骤一：将A4纸纵向折捲成管状，再以胶带固定端点。接著，剪下本页最下方的半圆量角器图形。