1.直尺,标尺
1.a rigid strip of wood, metal, or plastic used to draw a straight line or to check for straightness
1.Each step of the construction of a circle with straightedge and compass calls for finding a point of intersection.
用圆规、直尺作圆的每一步都需要找一个交点。
2.Mathematics To draw (a geometric figure) that meets specific requirements, usually with instruments limited to a straightedge and compass.
根据具体要求画出（几何图形），通常只用直尺和圆规工具。
3.Long standing questions about compass and straightedge construction were finally settled by Galois theory.
长期存在的问题，指南针和直尺建设的最后解决伽罗瓦理论。
4.Road and airfield surface characteristics - Test methods - Irregularity measurement of pavement courses - The straightedge test
道路和机场表面特征.试验方法.路面层不平整性测量.直尺检验
5.Road and airfield surface characteristics - Test methods - Part 7: Irregularity measurement of pavement courses; The straightedge test
道路和机场地面特性试验方法第7部分：路面线路单向不规则性测量直边试验
6.Direct graphing of the two basic proportions in the graphing without straightedge
无尺作图中两个基本作图命题的直接作图
7.Simplification of basic graphing system in graphing without straightedge
无尺作图的基础作图体系的简化
8.Standard Test Method for Measuring Rut-Depth of Pavement Surfaces Using a Straightedge
使用直尺测量路面车辙深度的标准试验方法
9.Manufacture Specification of Gear with Straightedge and cone
直齿圆锥齿轮的加工工艺规程